نتایج جستجو برای: gis and remote sensing
تعداد نتایج: 16871922 فیلتر نتایج به سال:
Internet, a client/server system, is a perfect means of GIS data accessing, analyzing and transmission. The World Wide Web, FTP (file transfer protocol) and HTTP programs make it convenient to access and transfer data files across the Internet. Using Internet for GIS makes it easy access to acquire GIS data from diverse data sources in the distributed environment. The geospatial multicriteria d...
Our study applies the object-oriented technology to extract urban green automatically, which could increase accuracy through evaluating and analyzing the quality of disaster spatial data by measuring the disfigurement points and disfigurement rate in disaster GIS based on error analysis. The study shows that for high resolution remote sensing images that the accuracy may increase about 20% base...
The use of new methods, remote sensing (RS) and geographical information system (GIS) in zoning the water erosion in a particular geographical area (Tang-e-Bostanak catchment area) constitute the main subjects of this study. The production, combination, and composition of effective information layers in identifying these zones have been noted, highlighting the capacity of GIS and RS. In this st...
Land use planning is systematic assessment of land and water potential. Its purpose is to select and put into practice those land uses, that will best meet the need of the people while safe guarding resources for the future. Number of researchers have been established the applicability of Remote sensing and Geographical Information system to solve problems in agricultural related to land use pl...
This study demonstrates the ability of GIS and Remote Sensing in capturing spatial-temporal data on land use and land cover classes. The nine land cover classes captured were Built-up area, Secondary forests, Savannah, Grasslands, and Shrublands containing herbaceous, Rain-fed shrub crops, Fresh water swamps, Water bodies, and Farmlands. The remote sensed imageries also displayed how the land u...
s a tool for analysis and decision making, GIS and remote sensing opened a new horizon for monitor and control of diseases. Information on landuse, water bodies, vegetation, forest cover and others can be used as data sets in GIS for mapping of disease receptivity and identification of risk factors. GIS offers new and expanding opportunities to look into disease epidemiology. Even when used min...
In the context of mega sustainable urban development projects, this research was commenced with impartial assessing sprawl (i.e., land use versus cover variations) during 2000-2016 by remote sensing and GIS techniques, where GCR “Greater Cairo Region” taken as a case study. Primarily, literature in field technologies were assembled scrutinized. addition, data regarding build zones, agricultural...
The research aims to monitor environmental changes and study the state of desertification in northeastern part Al-Najaf province, Iraq. area suffers from drought phenomena. Remote sensing systems "RS" geographic information "GIS" are essential for monitoring because they provide Earth observation satellites that contribute detecting changes. Two Sentinel 2 images were acquired on December 26, 2...
Remote sensing images obtained by remote sensing are a key source of data for studying large-scale geographic areas. From 2013 onwards, a new generation of land remote sensing satellites from USA, China, Brazil, India and Europe will produce in one year as much data as 5 years of the Landsat-7 satellite. Thus, the research community needs new ways to analyze large data sets of remote sensing im...
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