Results 71 to 80 of about 1,026 (165)

USING WATER INDICES (NDWI, MNDWI, NDMI, WRI AND AWEI) TO DETECT PHYSICAL AND CHEMICAL PARAMETERS BY APPLY REMOTE SENSING AND GIS TECHNIQUES

International Journal of Research -GRANTHAALAYAH, 2017
This study was undertaken by analyzing data from satellite image (Landsat-8 OLI) and geographical information system (GIS) to find the relationship between water parameters and water indices of spectral images. The main purpose of this research was to develop a model for the physical and chemical parameters of Gharraf stream in Iraq.
Dr. Mustafa T. Mustafa, Dr. Khalid I. Hassoon, Dr. Hussain M. Hussain, Modher H. Abd   +3 more
openaire   +3 more sources

Assessing the Impact of Land Use and Land Cover Change on Environmental Parameters in Khyber Pakhtunkhwa, Pakistan: A Comprehensive Study and Future Projections

Remote Sensing
Land use and land cover (LULC) change, driven by environmental and human activities, significantly impacts ecosystems, climate, biodiversity, and socio-economic systems.
Mehjabeen Khan, Ruishan Chen
doaj   +1 more source

Analisis Hubungan Kawasan Perairan Darat Perkotaan Terhadap Suhu Permukaan

Jurnal Pendidikan Geografi Undiksha
Pemanasan global adalah fenomena yang telah merubah tatanan kehidupan manusia salah satunya adalah menurunkan kualitas lingkungan kota termasuk Kota Makassar dimana dampak yang paling dirasakan adalah penurunan kenyamanan kota.
Muhammad Rais Abidin, Ramli Umar, Rahmi Nur, Andi Arham Atjo, Ahyani Mirah Liani, Imam Muhajir Utama   +5 more
doaj   +1 more source

A New Spectral Index for Mapping Water Surfaces in Urban Contexts

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
This article proposes a modification of the modified normalized difference water index (MNDWI) called rescaled water index (RWI), aiming to enhance the delineation and performance of water body mapping in urban contexts.
Eduardo Felix Justiniano, Fernando Shinji Kawakubo, Edimilson Rodrigues dos Santos Junior, Breno Malheiros de Melo, Gustavo Paixao Menezes, Marcel Fantin, Julio Cesar Pedrassoli, Marcos Roberto Martines, Rubia Gomes Morato   +8 more
doaj   +1 more source

Climatic drivers of the 2024 Thyanbo Glacial Lake Outburst in Nepal deciphered using Sentinel-2 NDWI/MNDWI analysis

International Journal of Disaster Studies and Climate Resilience
Thyanbo Glacial Lake in the Thame region of Nepal experienced a destructive outburst flood on 16 August 2024, displacing more than one hundred people and damaging homes, hotels, a school, and a health post. This study examines the climatic and hydrological conditions that contributed to the event using multi-temporal satellite imagery from 2017 to ...
Bhuwan Singh Bisht, Bimal Joshi, Soniya Koirala, Sabita Sapkota, Harish Bhatt   +4 more
openaire   +1 more source

Comparison of multi-source satellite remote sensing observations for monitoring the variations of small lakes: a case study of Dai Lai Lake (Vietnam)

Journal of Water and Climate Change
This study compares the capability of Sentinel-1, Sentinel-2, and PlanetScope (PS) satellites in monitoring the variations of surface water of Dai Lai Lake, located in North Vietnam, for the 2018–2023 period.
Binh Pham-Duc
doaj   +1 more source

Water bodies extraction from TM images

Journal of Measurement Science and Instrumentation, 2014
Aiming at the problems of high time-consuming,low accuracy and weak versatility of the existing methods of water extraction based on TM image,this paper combines principal component analysis（ PCA） with the modified normalized difference water index ...
DU Xian-rong
doaj  

Linking Vegetation Health and Water Risk of Wetlands in Vaishali District Through NDVI, SAVI, MNDWI, and WRI (2014–2024)

Abstract: The study of wetlands is a major concern these days. There is a significant shift in the wetland ecosystem, both geographically and hydrologically, as well as ecologically and biologically. Wetlands are well defined by their presence of water in a particular region.
Sushmita Tyagi, Dr. Sunil Kumar Singh. A
openaire   +1 more source

Impacts of land consolidation in a semi-arid agricultural region of Türkiye using remote sensing analysis. [PDF]

Environ Monit Assess
Yilgan F, Dogan S.
europepmc   +1 more source

РЕЖИМНІ ХАРАКТЕРИСТИКИ ОБВОДНЕННЯ ЗАПЛАВНИХ ЛАНДШАФТІВ БАСЕЙНУ Р. ГНИЛОП'ЯТЬ ЗА МУЛЬТИСПЕКТРАЛЬНИМИ ДАНИМИ НОРМАЛІЗОВАНОГО ІНДЕКСУ MNDWI

Scientific Bulletin of Kherson State University Series Geographical Sciences
Стаття присвячена дослідженню режимних характеристик обводнення заплавних ландшафтівбасейну річки Гнилоп'ять з використанням мультиспектрального індексу MNDWI та сучаснихметодів дистанційного зондування. Метою роботи є встановлення закономірностей сезонноїдинаміки та просторової диференціації водності заплавних територій для обґрунтування науково ...
openaire   +1 more source