نتایج جستجو برای: some such processes as normalized difference vegetation index

تعداد نتایج: 7023984  

Remote sensing data play an important role in environmental planning and monitoring. The current study aimed to investigate the land surface temperature (LST) and the effect of environmental factors on the LST, to identify the temporal-spatial patterns and determine the hot spots in the period of 2013 to 2019, using Landsat 8 images. The effect of spectral indices: Normalized Difference Build-u...

Journal: :Remote Sensing 2015
Hui Fan Xiaohua Fu Zheng Zhang Qiong Wu

Accurate and up-to-date mapping and monitoring of rubber plantations is challenging. In this study, we presented a simple method for rapidly and accurately mapping rubber plantations in the Xishuangbanna region of southwest China using phenology-based vegetation index differencing. Temporal profiles of the Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), Atmospher...

2017
Amanda R. Carlson Jason S. Sibold Timothy J. Assal Jose F. Negrón

Spruce beetle (Dendroctonus rufipennis) outbreaks are rapidly spreading throughout subalpine forests of the Rocky Mountains, raising concerns that altered fuel structures may increase the ecological severity of wildfires. Although many recent studies have found no conclusive link between beetle outbreaks and increased fire size or canopy mortality, few studies have addressed whether these combi...

2007
A. Lobo P. Henry M. Hafeez

The modelling of water and energy exchanges between Soil-Vegetation and the ATmosphere (SVAT) often assimilates remotely sensed time series of Vegetation Indices (VIs). At first order, spectral combinations like the Normalized Difference Vegetation Index (NDVI) are known for their ability to witness the geographic and seasonal distribution of greenness on continental surfaces. Another usual com...

Journal: :Journal of Humanity Sciences 2021

This study deals with the use of geographic information systems and remote sensing using spectral indicators to detect manifestations desertification on farmland in Makhmour District. The aimed investigate monitor agricultural lands area modern technologies monitoring evaluating phenomenon its effects for a period twenty-eight years by employing some such as Normalized Difference Vegetation Ind...

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