Results 1 to 10 of about 2,616 (119)

Assessing habitat suitability for wintering geese by using Normalized Difference Water Index (NDWI) in a large floodplain wetland, China

open access: yesEcological Indicators, 2021
Hydrological condition is one of the most important factors affecting the abundance and distribution of waterbirds in large freshwater floodplains, as it influences their habitat and food availability.
Jiakun Teng, Yu Liu, Houlang Duan
exaly   +3 more sources

Aplicación de índices espectrales para determinar la transformación del bosque seco en Agua de Dios (Cundinamarca, Colombia)

open access: yesAvances, 2021
El bosque seco tropical (Bs-T), que se caracteriza por estabilizar los suelos y regular el ciclo hidrológico, se ha visto afectado por la pérdida de vigor vegetal y humedad en el sustrato, particularmente en el municipio de Agua de Dios (Cundinamarca ...
Angie Daniela Alarcón Montaña   +1 more
doaj   +1 more source

بررسی اثر شاخص‌های مورفولوژیکی رودخانه گرگانرود بر پهنه‌های سیلاب با استفاده از داده‌های سنجش از دور و تحلیل‌های مکانی(منطقه مطالعاتی: شهر آق‌قلا) [PDF]

open access: yesجغرافیا و مخاطرات محیطی, 2020
عبور رودخانه گرگانرود از شهرستان آق‌قلا همواره موجب سیلاب‌های مخربی شده است. هدف از تحقیق حاضر بررسی اثرات مورفولوژیکی رودخانه گرگانرود بر پهنه‌های سیلاب 1398 شهرستان آق‌قلاست؛ بدین منظور از تصاویر سری زمانی ماهواره‌های Sentinel-2 و Landsat-8 به منظور ...
کامران گنجی   +2 more
doaj   +1 more source

Assessment of drought severity in Khar Yamaat Nature Reserve Area using satellite derived drought indexes

open access: yesMongolian Journal of Biological Sciences, 2022
Mongolia has experienced several extreme climate events during the past decades, including severe extreme droughts. The issue of drought is of paramount significance in our country of nomadic culture and nomadic pastoralism. The eighteen years (2001-2018)
Munkhtur Davaagerel   +2 more
doaj   +1 more source

Monitoring the Land Covers Around Al- Razaza Lake/ Iraq Based Upon Multi-Temporal Analysis Technique

open access: yesAl-Mustansiriyah Journal of Science, 2021
Remote sensing techniques are very important for the identification of land cover patterns and monitoring changes that occurred, thus three different periods were taken for the Al-Razaza lake region.
Sabah Noori Kadhum, Esraa Salam Alsudani
doaj   +1 more source

Impact of climate change on spatiotemporal variations in the vegetation cover and hydrology of district Nowshera

open access: yesJournal of Water and Climate Change, 2022
This research seeks to validate climate change in the district of Nowshera, as well as its impact on NDVI (vegetation) and hydrological events such as monsoon rains.
Ishaq Ali Shah   +2 more
doaj   +1 more source

Temporal Variability of the Batumi Delta Wetlands

open access: yesDoğal Afetler ve Çevre Dergisi, 2023
Wetlands are invaluable ecosystems as they provide important services, but these areas are rapidly degrading due to anthropogenic pressures and natural changes/transformations. It is thought that this negative change will increase in the upcoming period
Bülent Turgut
doaj   +1 more source

Analisis Produktivitas Padi berdasarkan Indeks Kekeringan (NDWI dan NDDI) Lahan Sawah menggunakan Data Citra Sentinel-2A di Kecamatan Ambulu

open access: yesIndonesian Journal of Applied Physics, 2023
Rice is almost a staple food source for the world's population. The State of Indonesia contributes the largest amount of rice productivity, especially in the province of East Java.
Bowo Eko Cahyono   +2 more
doaj   +1 more source

Monitoring Water Spread and Aquatic Vegetation using Spectral Indices in Nalsarovar, Gujarat State-India

open access: yesInternational Journal of Environment and Geoinformatics, 2021
Nalsarovar Bird Sanctuary, a natural freshwater lake (a relict sea) that is the largest natural wetland in the Thar Desert Bio-geographic Province and represents a dynamic environment with salinity and depth varying depending on rainfall. For maintaining
Kirtan R. Chauhan   +3 more
doaj   +1 more source

Drying conditions in Switzerland – indication from a 35-year Landsat time-series analysis of vegetation water content estimates to support SDGs

open access: yesBig Earth Data, 2021
Exacerbated by climate change, Europe has experienced series of hot and dry summer since the beginning of the 21st century. The importance of land conditions became an international concern with a dedicated sustainable development goal (SDG), the SDG 15.
Charlotte Poussin   +8 more
doaj   +1 more source

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