Results 41 to 50 of about 2,139 (188)

بررسی تاثیر تغییرات پهنه آبی سد تهم در نوع کاربری اراضی و دمای سطح زمین با بهره گیری از شاخص های طیفی NDWI، MNDWI و AWEI و ماشین بردار پشتیبانی SVM در بازه زمانی 2002 تا 2023 [PDF]

open access: yesهیدروژئومورفولوژی
تغییرات مکانی و زمانی آبهای سطحی بر ساختار و عملکرد اکوسیستم های منطقه سد تهم و همچنین توسعه کشاورزی، اقتصادی و اجتماعی در این منطقه تاثیر می گذارد. در این تحقیق به منظور تشخیص تغییرات طولانی مدت سد تهم در بازه زمانی 2002 تا 2023 از شاخص های MNDWI، AWEI ...
مهدی فیض اله پور
doaj   +1 more source

MODIS MNDWI, 8-day time series for Europe at 1 km resolution

open access: yes, 2021
Modified Normalized Difference Water Index (MNDWI) from MODIS data for Europe at 1 km resolution. Source data: - MODIS/Terra Surface Reflectance 8-Day L3 Global 500 m SIN Grid (MOD09A1 v006): https://lpdaac.usgs.gov/products/mod09a1v006/ The ...
Metz, Markus   +2 more
core   +1 more source

Flood mapping based on open-source remote sensing data using an efficient band combination system

open access: yesActa Geographica Slovenica, 2022
Flood mapping is an essential component of planning flood mitigation. The availability of remote sensing data makes rapid flood mapping possible. This article develops an accurate method for rapid flood mapping using satellite imagery. Sentinel-2 imagery
Entin Hidayah   +5 more
doaj   +1 more source

Analisis Temporal Perubahan Garis Pantai Kedung Celeng Kabupaten Malang Tahun 1995-2021 Menggunakan Metode MNDWI (Modified Normalized Difference Water Index)

open access: yes, 2022
Garis Pantai akan mengalami perubahan karena berbagai faktor, penelitian ini dilakukan di Pantai Kefung Celeng Kabupaten Malang dengan tujuan untuk untuk mengetahui perubahan garis pantai di Pantai Kedung Celeng  dalam kurun waktu 30 tahun terakhir ...
abrar, ghairandi al   +4 more
core   +1 more source

Assessing surface-groundwater interactions for sustaining spring wetlands of the Great Artesian Basin, Australia

open access: yesEcological Indicators, 2023
The Great Artesian Basin (GAB) is one of the world’s largest actively recharging aquifers. Groundwater discharges from the GAB sustain numerous spring wetlands, which have great ecological, scientific, and socio-economic significance.
Pankaj R. Kaushik   +4 more
doaj   +1 more source

A Combined Approach for Monitoring Monthly Surface Water/Ice Dynamics of Lesser Slave Lake Via Earth Observation Data

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Surface water/ice dynamic monitoring is crucial for many purposes, such as water resource management, agriculture, climate change, drought, and flood forecasting.
Hatef Dastour   +2 more
doaj   +1 more source

Geospatial approaches for monitoring and mapping of water resources in semi-arid regions of Southern India

open access: yesEnvironmental Challenges, 2022
Surface water monitoring is a necessary component of researching ecological and hydrological processes. Recent improvements in satellite-based remote sensors have ushered in a new era in the area of surface water monitoring. The assessment and mapping of
B.N. Anusha   +4 more
doaj   +1 more source

Dinámica de inundaciones ambientales en humedales de la Cuenca baja del Rio Grijalva: enfoque espaciotemporal a través de imágenes Landsat

open access: yesRevista de Teledetección
La diversidad de metodologías existentes para definir y analizar la dinámica de las superficies de agua muestra la dificultad que genera investigar su comportamiento, aunado a que existen variables que dificultan su delimitación tales como la ...
Tania G. Núñez-Magaña   +5 more
doaj   +1 more source

Utilização dos índices ndwi e mndwi na detecção de corpos hidricos em imagens sentinel-2 na bacia hidrográfica do rio traipu – Alagoas [PDF]

open access: yes, 2019
The application of remote sensing in support of hydrological studies becomes increasingly common, especially with the use of orbital images. The objective of this research was to identify the water bodies in the Sentinel-2 satellite image through the ...
Andrade, Ana Beatriz Silva de
core   +1 more source

Quantitative Impact of Monthly Precipitation on Urban Vegetation, Surface Water and Potential Evapotranspiration in Baghdad Under Wet and Dry Conditions [PDF]

open access: yesNature Environment and Pollution Technology
Precipitation is a fundamental variable that is widely used in the organization of water resources and has a great influence on hydrological processes and ecological assessment.
Jamal S. Abd Al Rukabie, Salwa S. Naif and Monim H. Al-Jiboori
doaj   +1 more source

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