Results 11 to 20 of about 2,558 (181)

Comparison of Holt Winters and Simple Moving Average Models to Identify the Best Model for Predicting Flood Potential Based on the Normalized Difference Water Index

open access: yesJISA (Jurnal Informatika dan Sains), 2022
Flood is a condition in which water cannot be accommodated in a drainage channel such as a river or river. An area is said to be flooded if the water in the area is inundated in large quantities so that it can cover all or most of a large area ...
Raka Hikmah Ramadhan   +2 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

Pemetaan Cepat Genangan Banjir Menggunakan Teknologi Remote Sensing

open access: yesRekayasa Sipil, 2022
The existence of a flood inundation rapid map is needed in flood mitigation. This research is intended to map flood inundation quickly by utilizing satellite image technology. Sentinel 2 Level 1C technology uses before and after the flood. The extraction
Tedy Pranadiarso   +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

Monitoring Surface Soil Moisture Content over the Vegetated Area by Integrating Optical and SAR Satellite Observations in the Permafrost Region of Tibetan Plateau

open access: yesRemote Sensing, 2020
Surface soil moisture (SSM), the average water content of surface soil (up to 5 cm depth), plays a key role in the energy exchange within the ecosystem.
Chenyang Xu   +3 more
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

Utilization of Satellite Images-Based Indices for Assessment of Al-Hammar Marsh Restoration plan [PDF]

open access: yesEngineering and Technology Journal, 2021
Wetland landscape characterization is an important component of determining the degree to which wetlands improve environmental conditions. The present study aims to create a model used to automated extraction of the land cover of the western part of the ...
Bayda Dhaidan   +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

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