Results 111 to 120 of about 3,065 (186)

Use of synthetic aperture radar data for the determination of normalized difference vegetation index and normalized difference water index

This study was based on analysis of Sentinel-1 (SAR) data to estimate the normalized difference vegetation index (NDVI) and the normalized difference water index (NDWI) during the period 2019 to 2020 in a region with a range of different land uses.
Ewbank, Henrique, Duarte, Miqueias Lima, De Castro, Amazonino Lemos, Lourenço, Roberto Wagner [UNESP]   +3 more
core   +1 more source

Response of remotely sensed normalized difference water deviation index to the 2006 drought of eastern sichuan basin

, 2008
One of the most serious droughts in last century occurred in eastern Sichuan Basin in the summer of 2006 (hereinafter called the Drought). The response of Moderate Resolution Imaging Spectroradiometer (MODIS, boarding on NASA satellites of Terra and Aqua)
Zhang W. J., Lu QiFeng, Gao Zhi Qiang, Gao ZhiQiang, Zhang WenJiang, Zhang Wen Jiang, Lu Qi Feng, Gao Z. Q., Lu Q. F., Peng Jian, Peng J.   +10 more
core   +1 more source

The Performance of Landsat-8 and Landsat-9 Data for Water Body Extraction Based on Various Water Indices: A Comparative Analysis

Remote Sensing
The rapid and accurate extraction of water information from satellite imagery has been a crucial topic in remote sensing applications and has important value in water resources management, water environment monitoring, and disaster emergency management ...
Jie Chen, Yankun Wang, Jingzhe Wang, Yinghui Zhang, Yue Xu, Ou Yang, Rui Zhang, Jing Wang, Zhensheng Wang, Feidong Lu, Zhongwen Hu   +10 more
doaj   +1 more source

MODIS average NDVI, MSAVI, NDWI, NDBI time series curves for grassland.

Note: Abbreviation: NDVI, Normalized Difference Vegetation Index; MSAVI, Modified Soil Adjusted Vegetation Index; NDWI, Normalized Difference Water Index; NDBI, Normalized Difference Built-up Index.
Liangxin Fan (446960), Dongyang Xiao (7822034), Weinan Chen (7850636), Fuchen Guo (18389485), Haipeng Niu (11726180)   +4 more
core   +1 more source

Assessing Transferability of Landsat-derived NDWI Values across Space and Time

, 2014
Normalized Difference Water Index (NDWI) derived from the reflectance values of green and infrared bands is a widely used index for the delineation of water bodies in remotely sensed images.
Matthew J. Thoman (10083898), Kaitlyn McCollum (10084132)   +1 more
core   +1 more source

Towards near real-time drought stress assessment in Europe’s temperate forests – comparing remote sensing time series with continuous in-situ tree-level measurements

Ecological Indicators
Increasingly frequent droughts in Central Europe underscore the need for regular forest health monitoring. For decades, vegetation indices like Normalized Difference Vegetation Index (NDVI) and Normalized Difference Water Index (NDWI) have been used as ...
Colin K. Bloom, Tiziana L. Koch, Katrin Meusburger, Roman Zweifel, Lorenz Walthert, Sophia Etzold, Daniel Scherrer, Micah Wilhelm, Ansgar Kahmen, Andri Baltensweiler   +9 more
doaj   +1 more source

Spatiotemporal analysis and mapping of LULC changes and thermal environment variations in Al Khobar, Saudi Arabia using remote sensing techniques

Frontiers in Environmental Science
IntroductionThis study investigates the relationship between land use/land cover (LULC) changes and land surface temperature (LST) dynamics in Al-Khobar, Saudi Arabia, a rapidly urbanizing desert city, from 1999 to 2024.
Khadeijah Yahya Faqeih, Somayah Moshrif Alamri, Eman Rafi Alamery, Maha Abdullah Aldubehi, Omar Mohammed Al-Khalil, Mohamed E. Fadl   +5 more
doaj   +1 more source

Object-Based Image Classification Process at Landscape Level Based on Spectral Index Extraction Using Sentinel 2 MSI Satellite Imagery

Düzce University Faculty of Forestry Journal of Forestry
Land Cover-Land Use (LC/LU) classification provides data for effective management of environmental and ecological decisions at the landscape scale. In this process, Sentinel-2 Multi Spectral Imager (MSI) satellite images contribute to classification ...
Esin Karamanlı, Ömer Faruk Uzun
doaj   +1 more source

Akurasi Pemetaan Kekeringan Lahan Pertanian Menggunakan Metode Normalized Difference Drought Index (NDDI) di Kecamatan Wuluhan dan Rambipuji Jember

, 2021
Kekeringan merupakan kondisi kurang nya air dalam waktu tertentu yang dapat mempengaruhi kesehatan, lingkungan dan hasil pertanian. Daerah Jember, Jawa Timur terdapat beberapa kecamatan yang mengalami kekeringan seperti yang terjadi di Kecamatan Wuluhan ...
HIDAYAH, Entin, LUQMAN, Aldiansyah Dwiarta, WIYONO, Retno Utami Agung   +2 more
core  

Analysis of land surface temperature and its correlation with urban, water, vegetation, and surface indices in the Siliguri Urban Agglomeration area of the Himalayan foothill region

Geomatics, Natural Hazards & Risk
This study examines the variations in Land Surface Temperature (LST) and its correlation with urban, water, vegetation, and surface indices in the Siliguri Urban Agglomeration area in the Himalayan foothill region.
Manoj Debnath, Indrajit Poddar, Arjun Saha, Nazrul Islam, Ranjan Roy   +4 more
doaj   +1 more source