Results 1 to 10 of about 11,447,905 (255)

Retrieval of land surface temperature, normalized difference moisture index, normalized difference water index of the Ravi basin using Landsat data

Applied Computing and Geosciences, 2021
Land surface temperature (LST) is an important parameter for the biosphere, cryosphere, and climate change studies. In this study, we estimate LST, NDMI, and NDWI over the Ravi basin, India, and parts of Pakistan, using Landsat-8 Operational Land Imager (
Ajay Kumar Taloor, Drinder Singh Manhas, Girish Chandra Kothyari   +2 more
doaj   +3 more sources

A long-term monthly analytical study on the relationship of LST with normalized difference spectral indices

European Journal of Remote Sensing, 2021
This study analyzes the long-term monthly variation of land surface temperature (LST) and its relationship with normalized difference spectral indices in the Raipur City of India using one hundred and 23 Landsat images from 1988 to 2020. In specific, the
Subhanil Guha, Himanshu Govil
doaj   +2 more sources

Parameterization of a Bayesian Normalized Difference Water Index for Surface Water Detection

Geosciences, 2020
The normalized difference water index (NDWI) has been extensively used for different purposes, such as delineating and mapping surface water bodies and monitoring floods.
Lorena Liuzzo, Valeria Puleo, Salvatore Nizza, Gabriele Freni   +3 more
doaj   +3 more sources

A Comparison of Land Surface Water Mapping Using the Normalized Difference Water Index from TM, ETM+ and ALI

Remote Sensing, 2013
Remote sensing has more advantages than the traditional methods of land surface water (LSW) mapping because it is a low-cost, reliable information source that is capable of making high-frequency and repeatable observations.
Bingyu Sun, Yuanmiao Gui, Hailei Wang, Dongbo Zhou, Feng Ling, Zhiqiang Du, Wenbo Li, Xiaoming Zhang   +7 more
doaj   +3 more sources

Detection of Ground Materials Using Normalized Difference Indices with a Threshold: Risk and Ways to Improve

Remote Sensing, 2021
In this short communication, we describe the shortcomings and pitfalls of a commonly used method to detect ground materials that relies on setting thresholds for normalized difference indices.
Fen Chen, Tim Van de Voorde, Dar Roberts, Haojie Zhao, Jingbo Chen   +4 more
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

Identifying Urban Heat Effect through Satellite Image Analysis: Focusing on Narayanganj Upazila, Bangladesh

Journal of Applied Science & Process Engineering, 2022
The rapid growth of population and land use cover change are closely connected. Narayanganj Sadar Upazila is the first Growing City in Bangladesh. Land use and land cover change are very first.
Md. Razzakul Islam, Md. Nazmul Haque
doaj   +1 more source

Competing Vegetation Structure Indices for Estimating Spatial Constrains in Carabid Abundance Patterns in Chinese Grasslands Reveal Complex Scale and Habitat Patterns

Insects, 2020
Carabid communities are influenced by landscape features. Chinese steppes are subject to increasing desertification processes that are changing land-cover characteristics with negative impacts on insect communities. Despite those warnings, how land-cover
Noelline Tsafack, Simone Fattorini, Camila Benavides Frias, Yingzhong Xie, Xinpu Wang, François Rebaudo   +5 more
doaj   +1 more source

Analyzing the correlation of forest and wetland with land surface temperature by using geospatial technology: a case of Yayo district, Southwestern Ethiopia

Geocarto International, 2023
Forests and wetlands played a crucial role in minimizing the increasing trends of land surface temperature (LST). This study aimed to analyze the contribution of forests and wetlands on LST in Yayo district using multi-spectral and multi-temporal ...
Mitiku Badasa Moisa, Bacha Temesgen Gabissa, Yonas Name Wedajo, Mengistu Muleta Gurmessa, Kiros Tsegay Deribew, Gadisa Geremew Negasa, Milkessa Dangia Negassa, Dessalegn Obsi Gemeda   +7 more
doaj   +1 more source

Parcel-Level Flood and Drought Detection for Insurance Using Sentinel-2A, Sentinel-1 SAR GRD and Mobile Images

Remote Sensing, 2022
Floods and droughts cause catastrophic damage in paddy fields, and farmers need to be compensated for their loss. Mobile applications have allowed farmers to claim losses by providing mobile photos and polygons of their land plots drawn on satellite base
Aakash Thapa, Teerayut Horanont, Bipul Neupane   +2 more
doaj   +1 more source