نتایج جستجو برای: using remote sensing techniques
تعداد نتایج: 3871518 فیلتر نتایج به سال:
Abstract Introduction After flood occurrences, remote sensing images provide crucial information for mapping inundation extent. Optical satellite can be utilized to generate flooded area maps when the areas are free from clouds. Materials and Methods In this study was calculated using a variety of water indices classification algorithms, on Landsat data. Pre-flood, during flood, post-flood data...
to determine the suitable indices for vegetation cover and production assessment based on the remote sensing data, simultaneous digital data with field data belonging to the spring rangeland of the semirom-isfahan province were analyzed. during two years of monitoring the annual, grass, forb, and shrub vegetation cover and the total production data from 86 were collected. the global positioning...
پایش زمانی و مکانی خشکسالی کشاورزی با استفاده از دادههای سنجش از دور مورد مطالعه: استان مرکزی ایران
As a result of climate change and reduction in rainfall during the last decade, drought has become big problem in the world, especially in arid and semi-arid areas such as Iran. Therefore drought monitoring and management is great of important. In contrast with the traditional methods which are based on the ground stations measurements and meteorological drought monitoring, using the remote sen...
Background and Aim: Arthropod-borne diseases are one of the major causes of human mortality. Since launch of the first meteorological satellites in 1960s, remote sensing has been increasingly implicated in the field of human health research and the data from satellites and their sensors with different spatial and temporal resolutions opened a new field of research in human health for scientists...
Remote sensing indices are used to analyze the Spatio-temporal distribution of drought conditions and to identify the severity of drought. This study, using various drought indices generated from Madis and TRMM satellite data extracted from Google Earth Engine (GEE) platform. Drought conditions in Marivan city from February to November for the years 2001 to 2017 were analyzed based on spatial a...
Saru Chandrakar, "Combating Terrorism using Remote Sensing" in NCETET, Aurangabad, 2008 Saru Chandrakar, "Detection of Explosives using Remote Sensing", Saru Chandrakar, "Combating Catastrophic Terrorism using Remote Sensing", Saru Chandrakar, "A Hybrid approach with Infrared Radiation" Saru Chandrakar "Combating Man-Made Disaster using Remote Sensing", ICETET 2009(In Press) Remote Sensing and ...
Extended abstract 1- Introduction The study of the behavior of rivers in the arid and dry areas is one of the most important tasks in the country. Because the area has increased the effects of drought due to the sensitivity of the area and rainfall shortage, it causes changes in the flow and sediment regime, water resources, agriculture, and so on. Since plants react more precisely to t...
This paper aims to present a survey of different applications of image registration technique. Image registration is a pre-processing step for different applications. It consists of mainly four steps: feature detection, feature matching, transformation model estimation and image resampling and transformation. Image registration has wide applications in remote sensing, in medicine and agricultur...
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