搜索结果: 1-15 共查到“测绘科学技术 Arid”相关记录23条 . 查询时间(0.053 秒)
LAND USE/LAND COVER CHANGES IN SEMI-ARID MOUNTAIN LANDSCAPE IN SOUTHERN INDIA: A GEOINFORMATICS BASED MARKOV CHAIN APPROACH
Land cover Markov Kallar NDVI Drought Geoinformatics
2017/7/12
Nowadays land use/ land cover in mountain landscape is in critical condition; it leads to high risky and uncertain environments. These areas are facing multiple stresses including degradation of land ...
MONITORING TREE POPULATION DYNAMICS IN ARID ZONE THROUGH MULTIPLE TEMPORAL SCALES:INTEGRATION OF SPATIAL ANALYSIS,CHANGE DETECTION AND FIELD LONG TERM MONITORING
Spatial analysis Change detection Long-term monitoring Arid Acacia trees Remote sensing
2016/11/23
High mortality rates and lack of recruitment in the acacia populations throughout the Negev Desert and the Arava rift valley of Israel have been reported in previous studies. However, it is difficult ...
Multitemporal effects in regional planning over a part of semi-arid regions of Paraiba, Brazil
Multitemporal effects regional planning over semi-arid regions Paraiba Brazil
2016/5/23
The present study is a part of the CNPQ project no. 521477/96-4, which is being carried in the semi-arid region (lower part of the higher Piranhas) of the state of Paraíba in northeastern Brazil. The ...
RESEARCH ON FACTORS ANALYSIS MODEL OF DUALISTIC SOIL SALINIZATION SENSITIVITY IN TYPICAL NORTHWESTERN ARID AREA
Soil Secondary Salinization Affective Factors Sensitivity Analysis RS and GIS Genetic Artificial Neural Network Shule River Watershed
2015/12/28
Soil secondary salinization is one of the typical ecological side effects caused by land and water resources development in northwestern arid China. Factors that affect the occurrences and development...
COMPARISON OF LAND SURFACE TEMPERATURE MAPPING USING MODIS AND ASTER IMAGES IN SEMI-ARID AREA
MODIS ASTER Land Surface Temperature (LST) Emissivity
2015/12/28
This paper presents application of the Earth Observing System (EOS) Moderate Resolution Imaging Spectroradiometer (MODIS) thermal infrared bands for Land Surface Temperature (LST) retrieval. A brief s...
GROUNDWATER LEVEL MONITORING MODEL USING MULTI-TEMPORAL IMAGES IN ARID REGION OF NORTHWEST CHINA
Hydrology Ecological Environment Multi-temporal Images Model Monitoring
2015/12/28
For the frangible ecological environment, it is very important to reasonably develop and utilize groundwater resources in Northwest China. Shallow groundwater level is an essential factor related to t...
ESTIMATION OF FOREST STAND PARAMETERS IN DENSITY CLASSES IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA
FOREST STAND PARAMETERS DENSITY CLASSES
2015/9/8
ESTIMATION OF FOREST STAND PARAMETERS IN DENSITY CLASSES IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA.
GEOINFORMATICS SUPPORT FOR INFORMATION BASED AGRICULTURE: A CASE STUDY OF ARID TRACT OF PUNJAB
Nutrients Ground Water Quality Soil
2015/8/28
Information based agriculture (IBA) includes matching of agronomic practices with soil and water characteristics and their spatial
variability for enhancing productivity. An attempt was made to deriv...
Spectral-textural image classification in a semi arid environment
Land Cover Classification Texture Vision
2015/8/20
Image classification can benefit from incorporating texture by enabling an increased number of classes and improving thematic accuracy.
Incorporating texture also involves special attention in a numb...
AN OBJECT-ORIENTED CLASSIFICATION OF AN ARID URBAN FOREST WITH TRUE-COLOR AERIAL PHOTOGRAPHY
urban forest land cover classification high resolution aerial photography objectoriented
2015/8/3
In order to adequately model ecosystems services of the urban environment, it is necessary to accurately inventory urban vegetation abundance and spatial distribution. An object-based, methodological ...
INVESTIGATION OF THE DAILY URBAN COOLING ISLAND (UCI) IN TWO COASTAL CITIES IN AN ARID ENVIRONMENT:DUBAI AND ABU DHABI (U.A.E)
Climate Urban Satellite High resolution Multispectral Land Use
2015/8/3
Variations of surface temperature, albedo, emissivity and net radiation in different urban and rural classes in an arid area were investigated. Four ASTER satellite scenes with channels from the very ...
URBAN MODIFICATIONS IN A MESOSCALE METEOROLOGICAL MODEL AND THE EFFECTS ON NEAR SURFACE VARIABLES IN AN ARID METROPOLITAN REGION
Mesoscale Model Urban Land Use/Cover Remote Sensing Urban Heat Island
2015/8/3
A refined land cover classification for the arid Phoenix (Arizona, USA) metropolitan area and some simple modifications to the surface energetics were introduced in the fifth-generation PSU/NCAR mesos...
IMPACT OF CLIMATE AND ANALYSIS OF DESERTIFICATION PROCESSES IN SEMI ARID LAND IN ALGERIA: USING DATA OF ALSAT AND LANDSAT
Remote sensing SIG ecosystem
2015/5/7
The degradation of natural resources in arid and semi-arid areas was highlighted dramatically during this century due to population growth and transformation of land use systems. The Algerian steppe...
AUTOMATED MAPPING OF BURNED AREAS IN SEMI-ARID ECOSYSTEMS USING MODIS TIME-SERIES IMAGERY
Bushfires Time Series Image Segmentation
2015/5/7
Understanding spatial and temporal patterns of burned areas at regional scales, provides a long-term perspective of fire processes and its effects on ecosystems and vegetation recovery patterns, and ...
Soil moisture measurements by synthetic aperture radar and scatterometers in the arid and semi-arid environment
Radar Soil-water-content Scatterometer Negev
2015/2/5
Water is a scarce commodity in desert regions; yet, most remote sensing experiments of soil
moisture have been conducted in temperate areas. The ability to detect and reliably assess soil
moisture i...