搜索结果: 1-15 共查到“工学 Semi-Arid”相关记录18条 . 查询时间(0.078 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
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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 ...
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
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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 ...
COMPARISON OF LAND SURFACE TEMPERATURE MAPPING USING MODIS AND ASTER IMAGES IN SEMI-ARID AREA
MODIS ASTER Land Surface Temperature (LST) Emissivity
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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...
ESTIMATION OF FOREST STAND PARAMETERS IN DENSITY CLASSES IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA
FOREST STAND PARAMETERS DENSITY CLASSES
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2015/9/8
ESTIMATION OF FOREST STAND PARAMETERS IN DENSITY CLASSES IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA.
Spectral-textural image classification in a semi arid environment
Land Cover Classification Texture Vision
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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...
IMPACT OF CLIMATE AND ANALYSIS OF DESERTIFICATION PROCESSES IN SEMI ARID LAND IN ALGERIA: USING DATA OF ALSAT AND LANDSAT
Remote sensing SIG ecosystem
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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
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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
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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...
Influence of Agricultural Developments on Net Primary Productivity (NPP) in the Semi-arid Region of India: A Study using GloPEM Model
Agricultural net primary productivity Agricultural mechanization Semi-arid region Irrigated area Fertilizer use
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2014/12/15
The present study aims to assess the effect of agricultural developments on inter-annual variations in the agricultural Net Primary Productivity (NPP) of selected districts of the semi-arid region of ...
Sources Affecting PM2.5 Concentrations at a Rural Semi-Arid Coastal Site in South Texas
Positive Matrix Factorization (PMF2) Principal Component Analysis/Absolute Principal Component Scores (PCA/APCS) Coastal Industrialized Urban
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2013/3/8
Principal component analysis/absolute principal component scores (PCA/APCS) and positive matrix factorization (PMF2), an advanced factor analysis technique were employed to apportion the sources influ...
Aerosol Optical Properties Observed at a Semi-Arid Rural Site in Northeastern China
Light absorption Light scattering Semi-arid area
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2016/3/25
Continuous in situ measurements of aerosol optical properties have been conducted since March 2010 at a semi-arid
rural site in Northeastern China - Tongyu (44.56°N, 122.92°N, elevation 151 m), a ref...
A PROPOSED NEW VEGETATION INDEX, THE TOTAL RATIO VEGETATION INDEX (TRVI), FOR ARID AND SEMI-ARID REGIONS
Arid and semi-arid ALOS Total Ratio Vegetation Index (TRVI) Pistachio Juniper
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2014/4/30
Vegetation indices that provide important key to predict amount vegetation in forest such as percentage vegetation cover, aboveground biomass, and leaf-area index. Arid and semi-arid areas are not exe...
Temporal Trends in Ambient SO2 at a High Altitude Site in Semi-Arid Western India: Observations versus Chemical Transport Modeling
SO2 GEOS-Chem HYSPLIT IOCL Oil Fire PBL Height OH Radical
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2013/3/11
Ambient sulphur dioxide (SO2) measurements have been performed at a high altitude site in the semi arid region of western India, Gurushikhar, Mt. Abu (24.6°N, 72.7°E, 1680 m ASL), during different sam...
ASSESSMENT OF PLANT FUNCTIONAL TYPES IN TROPICAL ARID AND SEMI-ARID ECOSYSTEMS OF INDIA USING REMOTE SENSING DATA AND GIS
PLANT FUNCTIONAL TYPES TROPICAL ARID SEMI-ARID ECOSYSTEMS REMOTE SENSING DATA AND GIS
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2014/5/6
Tropical ecosystems undergo changes caused by season, climate or multiple anthropogenic impacts. Such changes may cause gradual or rapid shifts from one state to another. There has been a focus on fun...
Chemical Composition of Water-soluble Ions and Carbonate Estimation in Spring Aerosol at a Semi-arid Site of Tongyu, China
Tongyu PM2.5 Water-soluble ions Carbonate
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2016/3/28
Fine aerosol samples (PM2.5) were collected daily at Tongyu, a semi-arid site in northeast China from April to June 2006,
when Asian dust events occurred frequently. The concentrations of nine water-...