Results 91 to 100 of about 6,838 (207)

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

Exploration and advancement of NDDI leveraging NDVI and NDWI in Indian semi-arid regions: A remote sensing-based study

Case Studies in Chemical and Environmental Engineering, 2023
Pritam Patil, M. P. Jagtap, Narendra Khatri, Hakka Madan, Aditya Abhiram Vadduri, Tarun Patodia   +5 more
semanticscholar   +1 more source

Monitoring and mapping of seasonal vegetation trend in Tamil Nadu using NDVI and NDWI imagery

Journal of Applied and Natural Science, 2019
In order to monitor vegetation growth and development over the districts and land covers of Tamil Nadu, India during the crop growing season viz., Khairf and Rabi of 2017, Moderate Resolution Imaging Spectroradiometer (MODIS) derived surface reflectance ...
P. Prajesh, B. Kannan, S. Pazhanivelan, K. Ragunath   +3 more
semanticscholar   +1 more source

Studi Perbandingan Estimasi Tahun Konstruksi Jembatan di Indonesia Dengan Metode Remote Sensing

Teras Jurnal: Jurnal Teknik Sipil
Abstrak   Jembatan adalah infrastruktur penghubung dua bagian daerah terputus karena adanya rintangan. Berdasarkan bentangnya, jembatan diklasifikasikan menjadi jembatan pendek dengan panjang L‰¤ 30 m, jembatan sedang dengan panjang 30 < L < 100 m, dan ...
Theresita Herni Setiawan, Andreas Roy, Liyanto Eddy, Marvyn Marvellino, Tan Leonardo, Jonathan Djaja, Yohanes Adianto   +6 more
doaj   +1 more source

Fluvio-geomorphic change of the Padma-Meghna river course using the NDWI and MNDWI techniques

Water Science
Abstract This study intends to investigate the fluvial-geomorphic change and erosion-accretion processes of two significant rivers. The 2149 km2 research area's overall erosion and accretion were depicted using multi-temporal Landsat images and NDWI, MNDWI methods to measure and investigate change.
Faruk Hossain, Mohammad Ashraful Kamal, Tahera Afrin   +2 more
openaire   +2 more sources

An improved approach for monitoring urban built-up areas by combining NPP-VIIRS nighttime light, NDVI, NDWI, and NDBI

Journal of Cleaner Production, 2021
Yuanmao Zheng, Lina Tang, Haowei Wang
semanticscholar   +1 more source

Monitoring 2015 drought in West Java using Normalized Difference Water Index (NDWI)

, 2018
Drought is a slow developing phenomenon that accumulates over period and affecting various sectors. It is one of natural hazards that occurs each year, particularly in Indonesia over Australian Monsoon period. During drought event, vegetation’s cover can
Luisa Febrina Amalo, U. Ma’rufah, P. Permatasari   +2 more
semanticscholar   +1 more source

Using NDWI for Diagnosing Moisture Availability in Agricultural Areas Surveyed with UAV

Acta Technologica Agriculturae
Abstract The study investigates the feasibility of monitoring water content in the topsoil. The study was conducted over five growing seasons from 2019 to 2024. The primary instrument used was an unmanned aerial vehicle (UAV) equipped with a multispectral camera recording reflectance in the near-infrared (NIR ...
openaire   +1 more source

A machine learning approach for quantifying crop water stress in smallholder farms using unmanned aerial vehicle multispectral imagery

Agricultural Water Management
Water stress significantly threatens sugarcane production, particularly among smallholder farmers in South Africa, where spatially explicit assessments remain limited.
Ameera Yacoob, Shaeden Gokool, Alistair Clulow, Maqsooda Mahomed, Vivek Naiken, Tafadzwanashe Mabhaudhi   +5 more
doaj   +1 more source

Mapping and Assessing Glacial Lakes in Pakistan: Risk Insights from NDWI

Fusion Journal of Engineering and Sciences
Water is essential for life, but it also brings serious risks, especially through water-related disasters. Over the past two decades, about 74% of natural disasters have been water-related, affecting millions worldwide. Glaciers are vital sources of freshwater for drinking, farming, industry, and hydropower.
openaire   +1 more source