Subjects -> ENVIRONMENTAL STUDIES (Total: 913 journals)
    - ENVIRONMENTAL STUDIES (810 journals)
    - POLLUTION (31 journals)
    - TOXICOLOGY AND ENVIRONMENTAL SAFETY (54 journals)
    - WASTE MANAGEMENT (18 journals)

ENVIRONMENTAL STUDIES (810 journals)            First | 1 2 3 4 5     

Showing 201 - 378 of 378 Journals sorted alphabetically
Energy and Environment Research     Open Access   (Followers: 13)
Energy and Environmental Engineering     Open Access   (Followers: 5)
Energy, Ecology and Environment     Hybrid Journal  
Entrepreneurship and Sustainability Issues     Open Access  
EnviroLab Asia     Open Access  
Environment & Ecosystem Science     Open Access   (Followers: 2)
Environment and Behavior     Hybrid Journal   (Followers: 24)
Environment and Development Economics     Hybrid Journal   (Followers: 43)
Environment and Ecology Research     Open Access   (Followers: 9)
Environment and Natural Resources Research     Open Access   (Followers: 5)
Environment and Planning A : Economy and Space     Full-text available via subscription   (Followers: 57)
Environment and Planning B : Urban Analytics and City Science     Full-text available via subscription   (Followers: 39)
Environment and Planning C : Politics and Space     Full-text available via subscription   (Followers: 45)
Environment and Planning D : Society and Space     Full-text available via subscription   (Followers: 76)
Environment and Planning E : Nature and Space     Hybrid Journal   (Followers: 4)
Environment and Pollution     Open Access   (Followers: 10)
Environment and Society     Open Access   (Followers: 9)
Environment Conservation Journal     Open Access   (Followers: 4)
Environment International     Hybrid Journal   (Followers: 15)
Environment Systems & Decisions     Hybrid Journal   (Followers: 1)
Environment, Development and Sustainability     Hybrid Journal   (Followers: 39)
Environment, Space, Place     Full-text available via subscription   (Followers: 9)
Environment: Science and Policy for Sustainable Development     Hybrid Journal   (Followers: 40)
Environmental & Engineering Geoscience     Full-text available via subscription   (Followers: 5)
Environmental & Socio-economic Studies     Open Access   (Followers: 1)
Environmental Advances     Open Access  
Environmental and Climate Technologies     Open Access   (Followers: 3)
Environmental and Molecular Mutagenesis     Hybrid Journal   (Followers: 4)
Environmental and Sustainability Indicators     Open Access   (Followers: 6)
Environmental and Water Sciences, public Health and Territorial Intelligence Journal     Open Access   (Followers: 1)
Environmental Bioindicators     Hybrid Journal   (Followers: 2)
Environmental Challenges     Open Access   (Followers: 1)
Environmental Chemistry     Hybrid Journal   (Followers: 9)
Environmental Chemistry and Ecotoxicology     Open Access  
Environmental Chemistry Letters     Hybrid Journal   (Followers: 4)
Environmental Claims Journal     Hybrid Journal   (Followers: 1)
Environmental Communication: A Journal of Nature and Culture     Hybrid Journal   (Followers: 16)
Environmental Development     Hybrid Journal   (Followers: 3)
Environmental Disease     Open Access   (Followers: 3)
Environmental DNA     Open Access  
Environmental Economics     Open Access   (Followers: 2)
Environmental Education Research     Hybrid Journal   (Followers: 16)
Environmental Engineering Science     Hybrid Journal   (Followers: 9)
Environmental Ethics     Hybrid Journal   (Followers: 12)
Environmental Evidence     Open Access   (Followers: 1)
Environmental Fluid Mechanics     Hybrid Journal   (Followers: 11)
Environmental Forensics     Hybrid Journal  
Environmental Geosciences     Full-text available via subscription   (Followers: 6)
Environmental Geotechnics     Hybrid Journal   (Followers: 6)
Environmental Hazards     Hybrid Journal   (Followers: 3)
Environmental Health     Open Access   (Followers: 12)
Environmental Health Insights     Open Access   (Followers: 5)
Environmental History     Hybrid Journal   (Followers: 28)
Environmental Impact Assessment Review     Hybrid Journal   (Followers: 22)
Environmental Innovation and Societal Transitions     Hybrid Journal   (Followers: 9)
Environmental Justice     Hybrid Journal   (Followers: 12)
Environmental Law Review     Full-text available via subscription   (Followers: 23)
Environmental Management     Open Access   (Followers: 53)
Environmental Management and Sustainable Development     Open Access   (Followers: 9)
Environmental Microbiology Reports     Hybrid Journal   (Followers: 9)
Environmental Modeling & Assessment     Hybrid Journal   (Followers: 18)
Environmental Modelling & Software     Hybrid Journal   (Followers: 35)
Environmental Monitoring and Assessment     Hybrid Journal   (Followers: 39)
Environmental Nanotechnology, Monitoring and Management     Open Access   (Followers: 1)
Environmental Policy and Governance     Hybrid Journal   (Followers: 16)
Environmental Pollutants and Bioavailability     Open Access  
Environmental Pollution     Hybrid Journal   (Followers: 24)
Environmental Processes : An International Journal     Hybrid Journal  
Environmental Research     Hybrid Journal   (Followers: 11)
Environmental Science & Policy     Hybrid Journal   (Followers: 19)
Environmental Science & Technology     Hybrid Journal   (Followers: 181)
Environmental Science & Technology Letters     Hybrid Journal   (Followers: 7)
Environmental Science : Atmospheres     Open Access   (Followers: 1)
Environmental Science : Water Research & Technology     Hybrid Journal   (Followers: 7)
Environmental Science and Ecotechnology     Open Access   (Followers: 4)
Environmental Science and Pollution Research     Hybrid Journal   (Followers: 11)
Environmental Science and Sustainable Development : International Journal Of Environmental Science & Sustainable Development     Open Access   (Followers: 12)
Environmental Science: Advances     Open Access   (Followers: 3)
Environmental Sciences     Hybrid Journal   (Followers: 5)
Environmental Sciences Europe     Open Access   (Followers: 2)
Environmental Skeptics and Critics     Open Access  
Environmental Smoke     Open Access  
Environmental Sociology     Hybrid Journal   (Followers: 2)
Environmental Sustainability     Hybrid Journal   (Followers: 1)
Environmental Systems Research     Open Access   (Followers: 2)
Environmental Technology     Hybrid Journal   (Followers: 2)
Environmental Technology & Innovation     Full-text available via subscription  
Environmental Technology Reviews     Hybrid Journal  
Environmental Toxicology     Hybrid Journal   (Followers: 11)
Environmental Toxicology & Chemistry     Hybrid Journal   (Followers: 22)
Environmental Toxicology and Pharmacology     Hybrid Journal   (Followers: 9)
Environmental Values     Full-text available via subscription   (Followers: 10)
Environments     Open Access  
Erwerbs-Obstbau     Hybrid Journal  
eScience     Open Access   (Followers: 1)
Estuaries and Coasts     Hybrid Journal   (Followers: 22)
Ethics & the Environment     Full-text available via subscription   (Followers: 7)
Ethics in Science and Environmental Politics     Hybrid Journal   (Followers: 5)
Ethics, Policy & Environment     Hybrid Journal   (Followers: 11)
Ethiopian Journal of Environmental Studies and Management     Open Access   (Followers: 3)
Études caribéennes     Open Access   (Followers: 1)
Euro-Mediterranean Journal for Environmental Integration     Hybrid Journal  
European Energy and Environmental Law Review     Full-text available via subscription   (Followers: 14)
European Environment: The Journal of European Environmental Policy     Hybrid Journal   (Followers: 5)
European Journal of Ecology     Open Access   (Followers: 1)
European Journal of Environmental and Civil Engineering     Hybrid Journal   (Followers: 5)
European Journal of Environmental Sciences     Open Access   (Followers: 1)
European Spatial Research and Policy     Open Access   (Followers: 9)
Evolutionary Ecology     Hybrid Journal   (Followers: 25)
Expert Opinion on Environmental Biology     Hybrid Journal  
Exposure and Health     Hybrid Journal  
Facta Universitatis, Series : Working and Living Environmental Protection     Open Access   (Followers: 1)
FIGEMPA : Investigación y Desarrollo     Open Access   (Followers: 1)
Fire Ecology     Open Access   (Followers: 2)
Food and Chemical Toxicology     Hybrid Journal   (Followers: 18)
Food and Ecological Systems Modelling Journal     Open Access  
Food and Environment Safety     Open Access   (Followers: 3)
Fordham Environmental Law Review     Open Access   (Followers: 4)
Forest Ecology and Management     Hybrid Journal   (Followers: 61)
Foresta Veracruzana     Open Access  
Forestry Chronicle     Full-text available via subscription   (Followers: 9)
Freshwater Biology     Hybrid Journal   (Followers: 32)
Fronteiras : Journal of Social, Technological and Environmental Science     Open Access  
Frontier of Environmental Science     Open Access   (Followers: 2)
Frontiers in Climate     Open Access   (Followers: 4)
Frontiers in Ecology and the Environment     Hybrid Journal   (Followers: 72)
Frontiers in Environmental Science     Open Access   (Followers: 1)
Frontiers in Water     Open Access  
Frontiers of Environmental Science & Engineering     Hybrid Journal   (Followers: 3)
Future Cities and Environment     Open Access   (Followers: 5)
FUTY Journal of the Environment     Full-text available via subscription  
Geo : Geography and Environment     Open Access   (Followers: 6)
Geo-Image     Open Access   (Followers: 1)
Geoacta     Open Access   (Followers: 2)
Geochemical Transactions     Open Access   (Followers: 2)
Geochronometria     Open Access   (Followers: 1)
Geoenvironmental Disasters     Open Access   (Followers: 3)
Geoforum     Hybrid Journal   (Followers: 25)
GeoHealth     Open Access  
Geology, Geophysics and Environment     Open Access   (Followers: 2)
Géomorphologie : relief, processus, environnement     Open Access   (Followers: 1)
GeoScience Engineering     Open Access  
Geospatial Health     Open Access   (Followers: 1)
Geosystems and Geoenvironment     Open Access  
Global Challenges     Open Access  
Global Environment     Full-text available via subscription   (Followers: 1)
Global Environmental Change     Hybrid Journal   (Followers: 46)
Global Journal of Environmental Science and Management     Open Access   (Followers: 6)
Global Journal of Environmental Sciences     Full-text available via subscription  
Global Sustainability     Open Access   (Followers: 3)
Golden Gate University Environmental Law Journal     Open Access   (Followers: 3)
Grassland Science     Hybrid Journal  
Green Energy & Environment     Open Access   (Followers: 2)
Greenhouse Gas Measurement and Management     Hybrid Journal  
Groundwater for Sustainable Development     Full-text available via subscription   (Followers: 5)
Harvard Environmental Law Review     Free   (Followers: 12)
Health Services Management Research     Hybrid Journal   (Followers: 16)
Health, Safety and Environment     Open Access   (Followers: 34)
Hereditas     Open Access   (Followers: 1)
Hidrobiológica     Open Access  
Historia Ambiental Latinoamericana y Caribeña     Open Access   (Followers: 2)
História, Natureza e Espaço - Revista Eletrônica do Grupo de Pesquisa NIESBF     Open Access  
Home Health Care Management & Practice     Hybrid Journal   (Followers: 1)
Horticulture, Environment, and Biotechnology     Hybrid Journal   (Followers: 10)
Human & Experimental Toxicology     Hybrid Journal   (Followers: 8)
Human Ecology     Open Access   (Followers: 24)
Hydrology: Current Research     Open Access   (Followers: 9)
Ideas in Ecology and Evolution     Open Access   (Followers: 9)
IMA Journal of Management Mathematics     Hybrid Journal   (Followers: 1)
Indonesian Green Technology Journal     Open Access  
Indonesian Journal of Conservation     Open Access  
Indonesian Journal of Sustainability Accounting and Management     Open Access  
Indoor Air     Hybrid Journal   (Followers: 2)
Information Systems Management     Hybrid Journal   (Followers: 10)
Informs Journal on Applied Analytics:     Full-text available via subscription   (Followers: 15)
Ingeniería Hidráulica y Ambiental     Open Access  
Inhalation Toxicology     Hybrid Journal   (Followers: 9)
Innovative Infrastructure Solutions     Hybrid Journal  
Integrated Environmental Assessment and Management     Hybrid Journal   (Followers: 8)
Interdisciplinary Environmental Review     Hybrid Journal   (Followers: 3)
International Aquatic Research     Open Access   (Followers: 4)
International Archives of Occupational and Environmental Health     Hybrid Journal   (Followers: 7)
International Electronic Journal of Environmental Education     Open Access   (Followers: 1)
International Environmental Agreements: Politics, Law and Economics     Hybrid Journal   (Followers: 14)
International Journal of Acarology     Hybrid Journal   (Followers: 1)
International Journal of Agricultural and Environmental Information Systems     Full-text available via subscription   (Followers: 1)
International Journal of Alternative Propulsion     Hybrid Journal   (Followers: 23)
International Journal of Corrosion     Open Access   (Followers: 10)
International Journal of Critical Infrastructures     Hybrid Journal   (Followers: 2)
International Journal of Disaster Risk Reduction     Hybrid Journal   (Followers: 18)
International Journal of Disaster Risk Science     Open Access   (Followers: 14)
International Journal of Ecological Economics and Statistics     Full-text available via subscription   (Followers: 5)
International Journal of Ecology & Development     Full-text available via subscription   (Followers: 2)
International Journal of Energy and Environmental Engineering     Open Access   (Followers: 3)
International Journal of Energy and Water Resources     Hybrid Journal  
International Journal of Environment     Open Access   (Followers: 3)
International Journal of Environment and Climate Change     Open Access   (Followers: 22)
International Journal of Environment and Geoinformatics     Open Access   (Followers: 4)
International Journal of Environment and Health     Hybrid Journal   (Followers: 5)
International Journal of Environment and Pollution     Hybrid Journal   (Followers: 2)

  First | 1 2 3 4 5     

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Journal Cover
International Journal of Environment and Geoinformatics
Number of Followers: 4  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2148-9173
Published by DergiPark Homepage  [187 journals]
  • The Effects of Atmospheric Oscillations on Crop (Olive, Grape and Cotton)
           Yield in the Eastern Part of the Mediterranean Region, Turkey

    • Authors: Aslı UZUN; Beyza USTAOĞLU
      Abstract: In the last century climate change has been a major threat to biodiversity, ecosystem services, and human well‐being. Atmospheric oscillations that occur at the regional oceanic flow pattern may affect significantly the climate of the Earth. In this study, we investigate the effects of ENSO (El Nino Southern Oscillation) and NAO (North Atlantic Oscillation) on the Mediterranean crop yield using the Nino 3, Nino3.4, Nino 4, ONI and NAO indices. Olive, which is a bioindicator type in the Mediterranean, and cotton and grapes with high yield and economic value crops were examined. According to the average production amounts in the Mediterranean Region between 1991 and 2020, 39% of cotton production is in Adana (205319 tone), 43% of grape production is in Mersin (228471 tone) and 37% of olive production is in Hatay (103854 tone). As a method, firstly, Mann Kendall rank correlation test was applied to the yield values of the crops. After the 2000s, it has been determined that the trend of yield has changed and was obtained an increasing trend. Secondly, the correlation between the yields and Nino 3, Nino3.4, Nino 4, and NAO indices were determined with the Spearman correlation coefficient. Accordingly, a high correlation of 50% and 80% was found at the p ≤ 0.05 and p ≤ 0.00 significance level in the phenological periods of the crops. The highest correlations were determined especially during the flowering period (April, May, June) for olive and grape yield with El Nino indices. The frequency of the correlation detected with the NAO index is weak. The effect on the efficiency of the phases when El Nino indices are strong was examined graphically. Accordingly, in the 1997 and 2015-2016 periods, when the El Nino phenomen was very strong, there were sharp decreases in the crop yields. This variability affects the countries whose economic activity is based on agriculture in the Mediterranean Basin, and it is likely to affect the food industry in the future.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Study on the Aridity in the North-Western (NW) Part of Bangladesh through
           Combined Application of Remote Sensing, GIS and Geophysical Data

    • Authors: Sajıdur RAHMAN; Hafızur RAHMAN
      Abstract: In the present paper, hydro-environmental behaviour of two adjacent but characteristically different land areas of (i) semi-arid Barind Tract and (ii) Ganges flood plain situated in the north-western part of Bangladesh have been studied and possible mechanisms of variability in the two study sites have been investigated. Time series remote sensing data supplemented with climatic, geophysical and groundwater data and other ancillary information have been analysed for the purpose. Coupling of Landsat TM derived vegetation cover information with meteorological data depicts higher sensitivity of Barind Tract than the other study site towards vegetation cover changes in response to rainfall amount. Temporal sequence of albedo value as derived from Landsat TM data manifests appropriate seasonal trend that is consistent with field observations. Analysis of rainfall data over a period of about 50 years depicts substantially higher rainfall in both the study sites as compared to a typical semiarid region. However, temporal distribution of rainfall events is mostly concentrated within very short period of time in the year. Lithological information on the subsurface configuration depicts the existence of a relatively impermeable clayey layer near the top surface in these areas. Relatively higher thickness of this impermeable clayey layer over the semiarid Barind areas has been noticed that slows down the infiltration process significantly as compared to that in adjacent floodplain areas. Analysis of drainage network exhibits relatively higher drainage density in the Barind Tract area as compared to that in floodplain area. The drainage pattern shows predominantly unidirectional and distributary nature of drainage in the Barind Tract area and in general, distribution is oriented towards basin direction and most of the branches of the drainage system. Ultimately, relatively higher elevation, steeper slope result in relatively quicker surface runoff to carry out excess rain water to the nearest basins, results in decreased infiltration of rainwater. Eventually, the conversion efficiency of Barind Tract area to transform intercepted rainwater into underground reservoir water through infiltration seems to be lower as compared to that of floodplain areas.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Optimal Coverage Analysis of Existing Automated Teller Machines within
           Minna Metropolis, Nigeria using the Best-Fit Model

    • Authors: Ekundayo ADESİNA; Adewale ADEWUYİ, Gbenga MORENİKEJİ, Tolulope OGUNDELE, Florence BABATUNDE
      Abstract: Owing to the fact that nearly all economic sector of a country has embraced technology in their mode of operation. The banking industry as a financial institution in its recent implementation of electronic banking and the use of Automated Teller Machine has not been left out. The location of this ATM's with respect to their users is a geospatial problem, the industry aim is to ensure that such facilities are optimally located. The location-allocation tools in Geographic Information System thus become useful. This study investigates and assess the existing ATMs in the study area using location and service ability as a factor. Questionnaires were administered to assess the service ability of existing ATMs. For location evaluation the geographic coordinates of ATMs and Police stations were acquired using Garmin 78 Handheld Global Positioning System, the remotely sensed image of the study area was gotten from the Surveyor General of the Federation Office, it was digitized and used along with the acquired coordinates to create a database using ArcGIS 10.3. The resulting map was used to create a network analysis. Various Location-Allocation model were then used to assess and fix new optimal locations for ATMs. The results show that with a travel distance of 1.5km used in the models, the maximum coverage mode is the most suitable location-allocation models, for a banking system that seeks for equity among various banks, ATM centers can be sited using this model. The marginalization that occurs from other models makes them unfit for the banking industry. One of the final results from this study is that the optimal area for locating new ATMs amongst potential sites in terms of compatibility with the chosen criteria. This study suggests that; decision making future siting of ATMs to serve customers within this distance zone could use this model.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • A Review of Urban Heat Island formation over changing climate and its
           impacts on Urban Land Use and Environments and Adaptation Measures

    • Authors: Sumanta DAS
      Abstract: Climate change and associated global warming adversely impact urban environments, which leads to the increasing of land surface temperature (LST) and the formation of urban heat islands (UHI). In this study, the author has attempted to present current understandings of UHI formation over changing climate and its probable impacts on urban land use and environmental risks. The review provides a thorough understanding of the UHI and how this impacts urban communities, land use, and environments. In addition, the author has also addressed the quantification process of UHI in the Geospatial platform which helps monitor, assess, and predict the environmental risks at a local scale. The study demonstrated the advantages of earth observation data and Geo-Spatial technologies to detect and monitor the UHI over the temporal scale and a clear understanding of spatial data processing for quantification of UHI. The author finally suggested some best possible adaptation measures of UHI that can assist urban planners and policy makers to build resilient urban communities.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Mapping Respiratory Disease Mortality in Turkey by Using Bayesian
           Conditional Autoregressive Model

    • Authors: Ceren Eda CAN; Leyla BAKACAK KARABENLİ, Serpil AKTAŞ
      Abstract: Spatial analysis plays a prominent role in revealing and characterizing the spatial patterns over a geographical region by considering both the attributes of objects in a data set and their locations. The response variable can display spatial autocorrelation. The objects close together tend to produce more similar observations than objects further apart. Despite covariates in the model, we cannot capture spatial autocorrelation explicitly. It remains in the model residuals. Then, the independence assumption is violated by the residuals. We apply conditional autoregressive (CAR) model to prevent the residual spatial autocorrelation. In this study, we consider the problem of identifying the provinces at high risk to respiratory diseases mortality in Turkey. The number of deaths from respiratory diseases in 81 provinces of Turkey are modelled by using Leroux Model. We assume that the observed number of deaths have a Poisson distribution. Disease mapping is performed over calculated risk values. The results show that an increase in the household consumption of alcoholic beverages, cigarettes and tobacco and, also in the rate of people aged over 65 years in a province trigger a significant increase in respiratory disease mortality. Furthermore, Kastamonu has the highest mortality risk from respiratory diseases.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Monitoring Directional Dynamics of Growing Wheat Crop Canopy Using Ground
           based Time Series Remote Sensing Radiative Measurements

    • Authors: Hafızur RAHMAN
      Abstract: Agricultural crop monitoring is an issue of extreme importance under global climate change, increased natural disasters and population explosion threatening global food security. In this paper, dynamic behaviour of spectro-directional reflectance properties of wheat canopy has been studied using radiometric measurements performed over a wheat field during the entire crop life cycle under varying viewing geometries. The study reveals that biological growth rhythm of wheat crop associated with continuous alteration in canopy condition particularly in terms of optical and morphological properties during the life cycle results in a distinct and systematic changing pattern of bidirectional responses in red and near Infrared (NIR). Analysis shows appreciable sensitivity of radiometric measurements both in the red and NIR regions to crop phenological transformation and changes. Soil background influenced the overall angular anisotropy pattern and manifested relatively high surface reflectance specifically at the early growth stage. At this stage, changes in viewing direction give rise to additional variability in directional reflectance due to varying proportion of soil-vegetation and enhanced contrast between wheat crop and its soil background. Both amplitude and angular pattern of directional response of the canopy undergo appreciable changes with time. Asymmetry in directional reflectance has been noticed in both the spectral regions on either side of nadir in the principal plane. In this connection, time varying angular characteristics of normalized difference vegetation index (NDVI) has also been studied in relation to crop growth.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Statistical Analysis Of Hydrological Drivers Of Landslide Inducing Factors
           Using Weights Of Evidence Approach On Kerch Peninsula

    • Authors: Denis KRİVOGUZ
      Abstract: Article is devoted to statistical analysis of the influence of the surface water of Kerch Peninsula on landslides. We chose a distance from water as indicator that can be express the impact of surface water on landslides. The territory of the peninsula was divided into 5 classes according to the degree of distance. Thus, according to the results of the study, it was found that the greatest impact on landslides is observed at a distance of up to 500 m. On the other hand, it is noted that there is no effect of surface water on landslides at a distance over 2 km.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Determination of Orthometric Heights of Points Using Gravimetric/GPS and
           Geodetic Levelling Approaches

    • Authors: Herbert TATA; Okıemute ETEJE
      Abstract: The importance of practical, as well as orthometric heights in engineering cannot be underestimated as it is required for the determination of proposed construction levels and to direct the flow of water. This study presents the determination of orthometric heights of points using gravimetric/GPS and geodetic levelling approaches and compares the resolution of the two approaches to determine which of the methods is better for orthometric height determination in the study area. A total of 59 stations were occupy for gravity observation using Lacoste and Romberg (G-512 series) gravimeter to obtain the absolute gravity values of the points. GNSS observation was carried out in static mode using South GNSS receivers to obtain the positions and ellipsoidal heights of the points. The modified Stokes’ integral was applied to obtain the geoid heights of the points. Similarly, levelling was carried out using the geodetic level to obtain the level heights of the points. The orthometric correction was applied to the geodetic levelling results to obtain precise level heights of the points. The RMSE index was applied to compute the accuracy of the geoid models. The computed result shows that orthometric heights can be obtained in the study area using the two models with an accuracy of 0.3536m. Z-test was carried out to determine if there is any significant difference between the two methods. The test results show that statistically, there is no significant difference between the two methods. Hence, the two methods can be applied for orthometric heights determination in the study area.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • The Role of Local Governments in Integrated Coastal Areas Management

    • Authors: Hakan KAYA
      Abstract: Turkey is surrounded by seas on three sides like a sea country, also has a great inland sea such as the Sea of Marmara. The majority of the population of Turkey is located at the shores of the sea. However, because of the rapidly increasing population in Turkey, a settlement has been subject to many coastal distorted. Many people and institutions responsible for this distorted residence, although, unfortunately, no one takes the blame on. That is the thesis that the study of coasts in Turkey in general terms about the mistakes made until now focused on who is fault. The real important what is the role of local governments, is examined in this defect. In addition, still regarded as pristine as what to do about the coasts, are emphasized. In particular it should be stated at what point the new local government structures are.While all these studies of integrated coastal areas management, a clearer understanding of what the role of local governments in the study area was taken as an example for the Marmara Region. Because, the Marmara Region of Turkey's most advanced, most cosmopolitan, most populous and most densely population region. At the same time zone landforms, climate, vegetation and so on. Factors of diversity is a mark all over Turkey. Most Importantly, this region has coast at the Marmara Sea, Black Sea and the Aegean Sea. That's because of these reasons, be considered a reflection of Turkey's Marmara region.As a result of this study, the sampling area studies, from past to present, examining the laws and institutions, which ones play a role in the development of coastal areas, integrated coastal areas management to date on what is the role of local government and after that what should have been tried out.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Geomorphic Assessment of Flood Hazard Within the Urban Area of Chanchaga
           Local Government Area, Minna, Nigeria

    • Authors: Ekundayo ADESİNA; Adewale ADEWUYİ, Olaniyi ABDUMALİK, Gbenga MORENİKEJİ, Daniel NJOKU
      Abstract: assess flood hazard. It has been used to carry out Multi-Criteria Analysis (MCA) of various geomorphic factors by assigning weight based on the presumed impact of each factors on flooding. This study considered six factors which include; Slope, curvature, landcover, elevation, distance from river and soil using Rafinsenyi river in Chanchaga Local Government area, Minna-Nigeria, as study area. Review of literatures showed that methods of assigning weight are hypothetical and inconsistent, this research thus take input from researchers in field of hydraulics, hydrology and disaster management. The weight with 0.029 as the least consistency ratio was used. Data used include; DGPS data, Satellite Images, Digital Soil Data. Landcover Maps, Digital Elevation Models (DEM), Soil Maps and Profile Curvature maps were generated. Weighted overlay operation was carried out in ArcGIS to produce a Flood Risk Map. Livisol (Loam) soil reveals why farmers and traders indiscriminately settle along floodplain. 6 of the 20 hectares of study area lies between 216 and 220 metres above mean sea level, putting residential building at high risk of flooding.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • GIS and Hydrological Model Based Hydropower Potential Assessments of
           Temcha Watershed

    • Authors: Walelgn DİLNESA
      Abstract: Hydropower is one of the major and sustainable energy production centers across the world. Energy production has several challenges and uncertainty to alleviate poverty in our country. The main aim of this study was selecteding the hydropower potentials of Temcha watershed with integrated approaches of using GIS and hydrological models (SWAT). For the hydropower potential selection, it was used weather (metrological), hydrological and geospatial data. The result shows that a high discharge amount with a corresponding head has been identified in the upper course of the river and its associated values 300m3/year. In the middle course of the river, the power potential would be 126 MWmw/year. Generally, the overall hydropower potentials of Temcha watershed were 2500 MWmw/year.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Assessment of Malaria Risk Using GIS and Multi Criteria: The Case Study of
           East Gojjam Zone, Ethiopia

    • Authors: Abinet MİHİRETİE
      Abstract: Malaria is one of the most severe public health problems worldwide with 300 to 500 million cases and about one million deaths reported to date, 90% of which were reported from Sub Saharan African countries like Ethiopia. The main objective of the study was Assessment of malaria risk areas by using the GIS-based MCA approaches in East Gojjam zone. Weighted overlay technique of multi-criteria analysis was used to develop the malaria risk map. The malaria risk map was produced depending upon the overlay analysis of the malaria hazard map and some factors like land use land cover, population density, health stations. The malaria risk map was classified into four suitability index such as very highly suitable, high suitable, moderately suitable, and low suitable. The result shows that around 21.02% areas is very highly suitable for malaria risk, 24.49% is high suitable, 24.66% is moderately suitable and 29.83 % is low suitable for malaria risk areas. It is suggested that effective identification and mapping of malaria risk areas can be made using geospatial tools, to contribute for the prevention system easily manageable and controlling the disease.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Mapping Onland River Channels up to the Seafloor along Offshore Cide-Sinop
           in the Southern Black Sea from the Perspective of the Black Sea Flooding

    • Authors: Neslihan OCAKOĞLU; Fatmagül KILIÇ GÜL, Yeliz İŞCAN ALP
      Abstract: In order to investigate the submarine morphology of offshore Cide-Sinop from the perspective of the Black Sea flooding, the rivers, submarine channels and some spatial data were extracted by using General Bathymetric Chart of the Oceans (GEBCO-2014) which is a seamless digital elevation and bathymetry grid (DEM), and Geographic Information System (GIS) software tools. The accuracy of extracted land rivers were controlled with 1/25K topo-maps by using buffer overlay method. The comparisons affirmed that the rivers are on ratio of 75% in 0-400 meters buffer distance. The derived submarine channels with a total of 1548 km length indicate that there is a dendritic drainage pattern with the flow direction from north to the south extending from coast to shelf plain, shelf break and converging toward the abyssal plain respectively in the study area. However, seismic profiles do not indicate any recent delta deposits on the shelf plain. The only some prograded delta deposits are determined at the shelf break in a limited area, where they coincide with the submarine channels derived in this study. These deposits are truncated from their top by an erosional surface which extends over the whole shelf plain. These results indicate that the derived submarine channels do not represent the current flow pattern offshore Cide-Sinop. Instead, they illustrate paleochannels that should be active during the last lowstand time, before the Black Sea Flood and their sedimentary influx should also control the developments of canyons located at the shelf edge at that time. However, the most of the canyons located on the shelf slope are under the influence of both submarine erosion and active tectonics at present.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Examining the Effect of Spatial Proximity of Geo-located Dumpsites on
           Groundwater Quality in Samaru-Nigeria

    • Authors: Terwase YOUNGU; Yahaya ALİYU, Adamu BALA, Samuel AZUA, Aliyu Zailani ABUBAKAR, Samuel Enyinna AKPA
      Abstract: The effect of improper waste disposal on man’s health and environment due to the closeness of solid waste dumpsites to underground water sources in some parts of the world has raised issues of serious concern. This study thus sought to examine groundwater quality dependence on the spatial proximity of dumpsites in Samaru, Kaduna state-Nigeria. The coordinates of 10 solid waste dumpsites in proximity to groundwater sources (boreholes) in the study area were acquired for spatial analyses with a GPS-enabled smartphone. Ten groundwater samples from boreholes in relation to dumpsites were collected for testing and analyses of 11 physical and chemical parameters of water quality based on the Canadian Council of Ministers of the Environment (CCME) and World Health Organisation (WHO) standard limits. Thereafter, the water quality index (WQI) for all the locations was calculated. The results of the spatial proximity analyses carried out revealed that the requirement for locating dumpsites was not met as specified by the Environmental Protection Agency (EPA) regarding the minimum safe distance from groundwater sources as a majority (about 80%) of the dumpsites were located too close to the boreholes. The results of the study, however, revealed that the majority (about 80%) of the groundwater samples met the conditions for good drinking water (suitable for drinking water) even with their closeness to the dumpsites based on the computed WQI values and ratings. Meanwhile, only Calcium, Dissolved Oxygen, and Biochemical Oxygen Demand concentrations were significantly affected (p < 0.05 at the 95% significance level) by the closeness of the solid waste dumpsites to the boreholes with very strong (R2 = 86%) and strong (R2 = 79%) relationships, respectively. Suggestions were nonetheless made for the monitoring of land use activities in the areas surrounding groundwater sources to prevent groundwater contamination.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Environmental Impact of Cruise Shipping in Arctic Region

    • Authors: İlterişhan Çağrı KOLÇAK; Oktay ÇETİN, Murat SAKA
      Abstract: The Arctic region has been gaining importance rapidly in recent years. Many parties and industries started to benefit from the region in different aspects. Gradually melting of glaciers and ice sheets due to global warming facilitated the growth of cruise tourism to be one of these aspects. The number of cruise ships and passengers in the Arctic has been increasing in the last decade, like growth in cruise industry globally. On the other hand, as the activities in the region increased, the possibility of environmental pollution that could occur in the region increased. The fact that the region has a sensitive and yet not fully explored ecosystem makes this environmental pollution potential even more important. In this paper, the impact of cruise tourism on environmental pollution in the Arctic region has been studied. Several factors were identified by reviewing the literature, reports, statistics, and legislation. These factors were clustered under main categories and possible impacts of each factor were discussed. Use of Heavy Fuel Oil (HFO) by cruise ships, amount of energy to operate cruise ships, waste generated onboard cruise ships and lack of infrastructure in the Arctic region were found as factors that have a crucial impact on the Arctic ecosystem.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • A Modeling Framework to Quantify Routine VOC Emissions and Concentrations
           from Organic Liquid Tanks

    • Authors: Talha Kemal KOÇAK
      Abstract: The oil industry has been a primary source of energy for years but it can also lead to the emission of Volatile Organic Compounds (VOC). VOCs play a major role in the formation of photochemical oxidants and can be harmful to the ecosystem. Thereupon, effective mitigation and control strategies of air pollution have recently become more prominent for the oil industry. To orchestrate these strategies, the understanding of how air pollutants disperse from organic storage tanks should be improved. In this study, a modeling framework was developed to estimate in-field two-month average VOC concentrations caused by crude oil tanks. Firstly, United States Environmental Protection Agency's (US-EPA) Tanks 9b software was used to estimate emission rates from tanks. Then, Gaussian Dispersion Formulation was applied to simulate VOC dispersion. Following this, an in-house equation was used to represent the average VOC concentration at selected receptor locations. Moreover, in-field VOC measurement (passive sampling method) was also conducted to evaluate model performance. The normalized root-mean-square deviation between the measured and estimated VOC concentration was found to be 0.15. There was also a strong correlation between the two data with a correlation coefficient of 0.96. Overall, the results suggest the model statistically performed well with a 95% confidence interval. Due to its effectiveness and time-saving application, the method described in this study can be used to develop air pollution mitigation plans for organic storage facilities.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Effect of Chlorophyll Content & Solar Irradiance on Spectral Reflectance
           of Vegetation Canopies Acquired By Spectro-Radiometer

    • Authors: Tofayel AHAMMAD
      Abstract: The aims of the study were: (i) to observe the effect of leaf chlorophyll content, Solar Irradiance and Normalized Difference Vegetation Index (NDVI) on spectral reflectance at Visible(Blue,Green,Red), Near Infrared (NIR) and Short Wave Infrared (SWIR) spectrum for a given number of vegetation types including Rongon (Ixora Coccinea), Hibiscus, Jhau, Grass and Togor(Tabernaemontana Divaricata).(ii) to investigate the relationship of Solar Irradiance with Normalized Difference Vegetation Index (NDVI) for the same number of vegetation types. This study used a five band hand-held spectro-radiometer “Multispectral Radiometer MSR-5” centered at wavelength 485nm, 560nm, 660nm, 830nm and 1650nm corresponding to bands 2, 3, 4, 5, 6 of Landsat 8 operational Land Imager (OLI) sensor. This spectro-radiometer provides solar irradiance and spectral reflectance values in the visible, NIR and SWIR spectrum which indirectly help to calculate Normalized Difference Vegetation Index (NDVI) for the given number of vegetation types. This study also used a Chlorophyll Meter (SPAD 502) to estimate chlorophyll concentration from the leaf of the vegetation types. The result shows that the value of the spectral reflectance correlated linearly with chlorophyll content at wavelength at 560nm and 1650 nm where the coefficient of determination R2 is 0.8761 and 0.6289 respectively. The spectral reflectance correlated inversely with NDVI at wavelength 485nm and 660nm where the coefficient of determination R2 was 0.5317 and 0.6191 respectively. This result also shows that solar irradiance relates inversely with chlorophyll content at wavelength 830nm where the coefficient of determination R2 was 0.8523.Lastly we have found that solar irradiance correlated inversely with NDVI where the coefficient of determination R2 was 0.7617.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Investigation of Potential Prevailing Wind Impact on Land Surface
           Temperature at Gas Flaring Sites in the Niger Delta, Nigeria.

    • Authors: Barnabas MORAKINYO; Samantha LAVENDER, Vıctor ABBOTT
      Abstract: This research examines the effects of South prevailing wind on Land Surface Temperature (LST) retrieved from Earth Observation (EO) Satellites at 11 gas flaring sites in Rivers State, Niger Delta region, Nigeria. 7 Landsat 5 Thematic Mapper (TM) and 18 Landsat 7 Enhanced Thematic Mapper Plus (ETM+) from 17/01/1986 to 08/03/2013 with < 5 % cloud contamination were considered. All sites are located within a single Landsat scene (Path 188, Row 057). The atmospherically corrected reflectance was used for the classification of 4 land cover (LC) types at each site. The emissivity (ε) for each site is estimated by using standard values for determined LC from Look Up Table (LUT). The surface-leaving radiance (Lλ) is computed from the atmospherically corrected thermal band 6 (High gain) and the emissivity (ε) values. The Planck equation was inverted using Landsat calibration constants to derive LST. Geospatial analysis of LST results using ArcGIS show 6 ranges of LST values for all sites. For both sensors LST retrieved for the flare stack sources are the highest values compared to other locations within the sites. Wind directions and wind speeds for Landsat data acquisitions dates and the South prevailing wind were applied to the LST for assessing their effects on it. The results show that for Eleme I and II, and Onne, the p-values results showed that no statistically significant relationships between δLST values in different directions (δLSTNE, δLSTNS and δLSTNW) existed. For Obigbo site, the wind direction (South) for data acquisition date combined with the South prevailing wind to generate a noticeable impact on the LST towards the North-East and the North-West directions. For Alua, Bonny, Chokocho, Rukpokwu, Umurolu and Sara sites, the p-value obtained is statistically significant for all the 3 (δLSTNE, δLSTNS and δLSTNW) relationships; therefore, producing a circle flare δLST footprint. For Umudioga site, only δLSTN versus δLSTW is statistically significant, causing a noticeable effect on the flare δLST in the North-West direction. Based on these results, it can be concluded that the volume and rate of burning gas, and the speed of the South wind at the time of satellite overpass are major factors that determine the influence of the South prevailing wind on the LST retrieved at the flaring sites in the Niger Delta.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
  • Aegean Sea-Level Variability in the Past Half-Century Based on Tide Gauge
           Data

    • Authors: Cem ŞENDURAN; Sedat KABDAŞLI
      Abstract: Global sea-level rise induced by global warming has been growing in importance as a research topic in the past few decades. The Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) has strongly emphasized a visually certain trend in the sea-level rise in the past two centuries. Many studies have addressed the trend in sea-level records, both in global and regional scale, as studying the trend renders it possible to make future predictions. The latest study of World Climate Research Programme Global Sea Level Budget Group determined the global sea-level rise between 1993-2018 as 3.1 mm/year. The Aegean as a regional sea is chosen for this study to compare if there are any similarities between the global tendency and the regional using tide gauge records of monthly mean sea-levels in selected 6 stations. The data used in this study were obtained from the Permanent Service for Mean Sea Level (PSMSL), which is an organization that collects and publishes tide gauge records from across the world. The gaps in the raw tide gauge data were imputed by Kalman filtering, the time series were decomposed by using STL decomposition and the loess smoothed trend lines were obtained. The data ranges of time series were divided into 2 segments (from 1969 to 1995 and from 1995 to the end date) and linear trends for each segment were determined as well as the whole duration for each station. Mann-Kendall, Cox-Stuart, and Spearman’s Rho tests were applied on the datasets to detect statistically significant trends. The sea-level trends varied for each station and depending on the segment taken into consideration. 2 negative and 2 positive trends were obtained for the first segment. Positive trends changing from 1.6 mm/year to 7.5 mm/year with an average of 3.7 mm/year were determined for the second segment’s results of all stations.
      PubDate: Sun, 06 Mar 2022 00:00:00 +030
       
 
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