Results 31 to 40 of about 3,065 (186)

Pemetaan Cepat Genangan Banjir Menggunakan Teknologi Remote Sensing

Rekayasa 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, Entin Hidayah, Gusfan Halik   +2 more
doaj   +1 more source

A Novel Method for River Bank Detection from Landsat Satellite Data: A Case Study in the Vietnamese Mekong Delta

Remote Sensing, 2020
River bank (RB) erosion is a global issue affecting livelihoods and properties of millions of people. However, it has not received enough attention in the Vietnamese Mekong Delta (VMD), i.e., the world’s third largest delta, compared to salinity ...
Doan Van Binh, Basil Wietlisbach, Sameh Kantoush, Ho Huu Loc, Edward Park, Giovanni de Cesare, Do Huy Cuong, Nguyen Xuan Tung, Tetsuya Sumi   +8 more
doaj   +1 more source

Reservoir Sedimentation Assessment Using Geospatial Technology: A case Study of Dukan Reservoir, Sulaimani Governorate, Kurdistan Region, Iraq

Journal of Engineering, 2023
The accumulation of sediment in reservoirs poses a major challenge that impacts the storage capacity, quality of water, and efficiency of hydroelectric power generation systems.
Haveen Muhammed Rashid
doaj   +1 more source

Performances Evaluation of Water Body Extraction Techniques Using Landsat ETM+ Data: Case- Study of Lake Nubia, Sudan [PDF]

The Egyptian International Journal of Engineering Sciences and Technology, 2016
Lake Nubia (LN) is the Sudanese portion of Aswan High Dam Lake (AHDL). Thispaper aims to detect the better technique for extraction of the water surface of LN.Eight techniques are tested using Landsat ETM+ image and their performances inextracting the ...
K Ali, A Negmb, M Elsahabi
doaj   +1 more source

Lake Water Quality and Dynamics Assessment during 1990–2020 (A Case Study: Chao Lake, China)

Atmosphere, 2023
Settlements along the coastlines of oceans and lakes, which are among the world’s most densely populated areas, are in immediate danger due to stressors brought on by climate change and dangers posed by human activities. This study investigates the water
Chuan Li, Iman Rousta, Haraldur Olafsson, Hao Zhang   +3 more
doaj   +1 more source

Seasonality of Biophysical Parameters in Extreme Years of Precipitation in Pernambuco: Relations, Regionalities, and Variability

Atmosphere, 2023
This study analyzed the seasonality of biophysical parameters in the extreme years of precipitation and the relationship with the monthly precipitation of the state of Pernambuco at the regional level (Pernambuco) and homogeneous precipitation zones ...
Alan Cézar Bezerra, Jhon Lennon Bezerra da Silva, Douglas Alberto de Oliveira Silva, Cristina Rodrigues Nascimento, Eberson Pessoa Ribeiro, Josiclêda Domiciano Galvincio, Marcos Vinícius da Silva, Henrique Fonseca Elias de Oliveira, Márcio Mesquita, José Francisco de Oliveira-Júnior, Alexsandro Claudio dos Santos Almeida, Pabrício Marcos Oliveira Lopes, Geber Barbosa de Albuquerque Moura   +12 more
doaj   +1 more source

Water Feature Extraction and Change Detection Using Multitemporal Landsat Imagery

Remote Sensing, 2014
Lake Urmia is the 20th largest lake and the second largest hyper saline lake (before September 2010) in the world. It is also the largest inland body of salt water in the Middle East.
Komeil Rokni, Anuar Ahmad, Ali Selamat, Sharifeh Hazini   +3 more
doaj   +1 more source

Evaluating spectral indices for water bodies extraction in western Tibetan Plateau

Egyptian Journal of Remote Sensing and Space Sciences, 2021
Waterbody extraction in the high-elevated region of the Tibetan Plateau from remote sensing imagery is an efficient way to investigate and monitor water resources.
Hafiza Wajiha Khalid, Rao M. Zahid Khalil, Muhammad Ateeq Qureshi   +2 more
doaj   +1 more source

Dynamic Characteristics of Canopy and Vegetation Water Content during an Entire Maize Growing Season in Relation to Spectral-Based Indices

Remote Sensing, 2022
A variety of spectral vegetation indices (SVIs) have been constructed to monitor crop water stress. However, their abilities to reflect dynamic canopy water content (CWC) and vegetation water content (VWC) during the growing season have not been ...
Huailin Zhou, Guangsheng Zhou, Xingyang Song, Qijin He   +3 more
doaj   +1 more source

Assessment Land Cover Change Using Normalized Difference Water Index (NDWI) In Bakun Reservoir, Sarawak

Journal of Engineering and Science Research, 2021
The location of Sarawak State in the equatorial region makes it an area of high rainfall. For this reason, hydroelectric power plants have been built in several catchments in Sarawak, especially in the Kapit area. This needs to be harnessed to improve the economy and social living standards of the people of Sarawak in particular.
openaire   +1 more source