Showing 741 - 760 results of 938 for search '"river basin"', query time: 0.07s Refine Results
  1. 741

    Arsenic Mobility in As-Containing Soils from Geogenic Origin: Fractionation and Leachability by Diego Martiñá-Prieto, Javier Cancelo-González, María Teresa Barral

    Published 2018-01-01
    “…The lithogenic arsenic in soils of the Anllóns River basin (Spain) was quantified, its chemical fractions were determined, and its leachability characteristics were compared under various experimental conditions. …”
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  2. 742

    Groundwater Pollution Vulnerability in Kabul, Afghanistan, Assessed Using a Geographical Information System (GIS)-Based DRASTIC Model by Hasibullah Jahish, Mohammad Haroon Sarwary, Zabihullah Rasoli, Abdulhai Kaiwaan, Mohammad Aref Naimzad, Abdoullah Namdar, Sayed Javid Azimi

    Published 2025-01-01
    “…The results showed that 33.71 % of the study area fell into the very high vulnerability category, highlighting the risk of serious pollution, especially near the Kabul River basin and septic well areas.Validation using nitrate (NO3) levels showed a strong positive correlation (R² = 0.92) with the DRASTIC model, confirming its reliability.The study highlights the urgency of implementing targeted groundwater protection policies and sustainable management strategies. …”
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  3. 743

    Classificação da cobertura da terra na região da ilha do Bananal usando imagens multitemporais PALSAR-2/ALOS-2 by Jorge Bohrer Marques, Osmar Abilio de Carvalho Junior, Fernando Campagnoli, Humberto Navarro de Mesquita Júnior, Roberto Arnaldo Trancoso Gomes, Renato Fontes Guimarães

    Published 2019-03-01
    “…The study area is in the confluence between the Javaés and Araguaia rivers, located in the middle Araguaia river basin. The methodology adopted considers the following steps: acquisition of four multitemporal images Palsar 2/ALOS 2 at processing level 1.5 (L band with resolution of 6.25 meters); (b) Probability Density Component Analysis (PDCA); (c) noise reduction using the Minimum Noise Fraction (MNF) transformation; and (d) classification by the Support Vector Machine method considering the temporal signatures. …”
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  4. 744

    Mapping Groundwater Vulnerability in Arid Regions: A Comparative Risk Assessment Using Modified DRASTIC Models, Land Use, and Climate Change Factors by Simone A. Williams, Sharon B. Megdal, Adriana A. Zuniga-Teran, David M. Quanrud, Gary Christopherson

    Published 2024-12-01
    “…This study evaluates groundwater vulnerability and contamination risk in the arid/semi-arid Verde River Basin and Prescott Active Management Area using four models: DRASTIC, DRASTIC-LUCC, DRASTIC-LUCC-AHP2, and DRASTIC-LUCC-AHP4. …”
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  5. 745

    Áreas de preservação permanente de topos: das alterações na legislação brasileira às suas diferentes interpretações by Amanda Machado de Almeida, Eduardo Vedor de Paula

    Published 2018-10-01
    “…The study area was the Sacred River Basin (Morretes/PR), drainage area of Antonina Bay. …”
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  6. 746

    Karst-Based Geotourism in Eastern Carphatian Serbia: Exploration and Evaluation of Natural Stone Bridges by Aleksandar Antić, Nemanja Tomić, Slobodan Marković

    Published 2020-11-01
    “…The results indicate that the Vratna River basin currently has the best-rated Main Values, but it comes short for Additional Values, especially tourism infrastructure meaning that this should be the primary focus of any future geotourism development of this site. …”
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  7. 747

    Project “Osprey in Russia”: key findings in 2019–2023 by Miroslav V. Babushkin, Andrey V. Kuznetsov, Alexey A. Sharov, Vasily G. Pchelintsev, Urmas Sellis, Gunnar Sein, Elena A. Shikalova, Irina G. Utekhina, Albert V. Bragin, Pavel A. Futoran, Evgeniy V. Kholodov, María Del Mar Delgado

    Published 2023-10-01
    “…In Russia, Osprey (Pandion haliaetus) nests from the western borders of the Kaliningrad region to the Kamchatka Peninsula, Anadyr River basin, Sakhalin Island, southern Kuril Islands, and Japan. …”
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  8. 748

    Present Status of Ganges River Dolphins Platanista gangetica gangetica (Roxburgh, 1801) in the Turag River, Dhaka, Bangladesh by Mohammad Abdul Baki, Naser Ahmed Bhouiyan, Md. Saiful Islam, Shayer Mahmood Ibney Alam, Shibananda Shil, Md. Muzammel Hossain

    Published 2017-01-01
    “…Freshwater ecosystem degradation in the Turag River basin is increasing due to rising human settlement, reduced water flow during the dry season, new large land development projects, and toxic emissions caused by brick kilns. …”
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  9. 749

    Assessment of the Potential Flood Risk in Sarbaz Drainage Basin by Asadollah Mollazehi, MohammadReza Pudineh, Mahmood Khosravi, Mohsen Armesh, AliAsghar Dehvari

    Published 2020-09-01
    “…In addition, the main river basin districts towards the outlet of the basin as well as parts of the margins of important sub-streams have the highest flood potential. …”
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  10. 750

    Downstream Effects of a Hydroelectric Reservoir on Aquatic Plant Assemblages by Ivan Bernez, Jacques Haury, Maria Teresa Ferreira

    Published 2002-01-01
    “…This demonstrates the importance of taking river basin history into account in such biological surveys.…”
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  11. 751

    Length- weight relationship, condition factor and sex ratio of Oreochromis niloticus and Chrysichthys nigrodigitatus in the lower section of Osun River, Nigeria by Adams Ovie Iyiola, Ayotunde Samuel Kolawole, Samuel Bem Umma, Tosin Iriobe

    Published 2024-05-01
    “…Osun River is a major river in the Ogun-Osun River Basin and contributes significantly to fish production and quality source of protein. …”
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  12. 752

    Effect of active faults in the groundwater level of Shaharchay basin in Urmia by Tayebeh Kiani, Zahra Yousefi

    Published 2017-12-01
    “…In this regard, a study done of the Shaharchay river basin in the west of the Urmia Lake and the northern structural, sedimentary zone of Sanandaj - Sirjan. …”
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  13. 753

    Genome-wide association study and candidate gene identification for the cold tolerance at the seedling stage of rapeseed (Brassica napus L.) by Guangyu Wu, Yanda Zhou, Jingyi Zhang, Mengjie Gong, Lixi Jiang, Yang Zhu

    Published 2025-02-01
    “…Rapeseed (Brassica napus L.) is an important overwintering oilseed crop and suffers from severe cold stress during the seedling stage, due to the increasingly delayed sowing in the Yangtze river basin. However, the genetic basis underlying cold tolerance in rapeseed seedlings is not well understood. …”
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  14. 754

    ANTHROPOGENIC LOAD ON WATER BODIES IN THE UPPER OB BASIN IN DIFFERENT WATER CONTENT PERIODS: THE DYNAMICS AND THE FORECAST by Natalya V. Stoyashcheva

    Published 2020-06-01
    “…The assessment of the conditional pollutant load for the Tom river basin has shown that small and very small rivers, where wastewater is often discharged without treatment, are the most susceptible to pollution. …”
    Article
  15. 755

    Effectiveness of innovative circular technologies for sustainable rural freshwater supply in Tanzania by Christopher S. Awinia

    Published 2025-02-01
    “…The present study was conducted in two villages situated in the Ruvu–Wami River Basin upstream catchment area in the Kilosa district. …”
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  16. 756

    The Impact of Shuangjiangkou Hydropower Station on the Joint Dispatch of Power Generation and Navigation for Downstream Cascade Reservoirs by YANG Yi, XU Wei, XIE Zaichao, LI Xiaojie, WANG Sufan

    Published 2024-09-01
    “…In this study, the Minjiang River Basin is selected as the research object, and the construction and operation of Shuangjiangkou Hydropower Station is taken as the time division basis, the SWAT hydrological model and the joint operation model of reservoir groups are constructed, and the impact of Shuangjiangkou Hydropower Station on the downstream cascade reservoir mass generation and shipping is compared and analyzed. …”
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  17. 757

    Application of Regional Climatic Models to Assess the Performance Evaluation of Changes on Flood Frequency in Woybo Catchment, Ethiopia by Tigistu Yisihak Ukumo, Tarun Kumar Lohani, Muluneh Legesse Edamo, Matusal Arja Alaro, Mesfin Amaru Ayele, Habtamu Bogale Borko

    Published 2022-01-01
    “…Climate change increases the possibility in varying rainfall and temperature that needs a detail study to estimate flood frequency under changing climate for the Woybo catchment in the Omo River basin of Ethiopia. The impact on flood frequency was evaluated using multiple climate models under RCP4.5 and RCP8.5 emission scenarios for 2020s, 2050s, and 2080s compared to 1976–2005. …”
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  18. 758
  19. 759

    Citizen science for monitoring rainfall in Vietnam by Tran Huan N., Duwal Sudeep, Prajapati Rajaram, Davids Jeffrey C., Nguyen Dung T., Miegel Konrad

    Published 2025-01-01
    “…This study examines the CS approach to monitor rainfall in the Bui River Basin in Vietnam using low-cost rain gauges constructed from soda bottles, concrete, and rulers. …”
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  20. 760

    Water and sediment quality assessment at São Lourenço River-SP by Angélica Megda da Silva, Denis Moledo de Souza Abessa, Paulo Augusto Zantune Pamplin, Maria Beatriz Bohrer-Morel

    Published 2014-01-01
    “…São Lourenço River (SLR) is part one of the Ribeira de Iguape River basin, and provides water to supply the cities of São Lourenço da Serra and Juquitiba. …”
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