搜索结果: 1-15 共查到“生物学 vegetation”相关记录29条 . 查询时间(0.08 秒)
MONITORING OF AGRICULTURAL DROUGHT USING FORTNIGHTLY VARIATION OF VEGETATION CONDITION INDEX (VCI) FOR THE STATE OF TAMIL NADU, INDIA
Agricultural drought monitoring Vegetation condition index (VCI) Drought severity map Geographic Information Systems (GIS) Normalized differenced vegetation index (NDVI)
2018/11/9
India being an agrarian nation widely depends upon rainfall for its agricultural productivity. The failure of rainfall and hence shortfall of productivity badly affects national economy. With an intri...
RESPONSE OF ALPINE GRASSLAND VEGETATION PHENOLOGY TO SNOW ACCUMULATION AND MELT IN NAMCO BASIN
Vegetation Greening Vegetation Growth Length Snow Cover Fraction Trend Analysis Relationship Namco Basin
2018/5/11
Snow/ice accumulation and melt, as a vital part of hydrological processes, is close related with vegetation activities. Taking Namco basin for example, based on multisource remote sensing data and the...
COMPARISON OF VEGETATION INDICES FROM RPAS AND SENTINEL-2 IMAGERY FOR DETECTING PERMANENT PASTURES
remotely piloted aircraft systems RPAS UAV Sentinel-2 Copernicus NDVI vegetation indices agricultural monitoring
2018/5/15
Permanent pastures (PP) are defined as grasslands, which are not subjected to any tillage, but only to natural growth. They are important for local economies in the production of fodder and pastures (...
APPLICATION OF DEEP LEARNING OF MULTI-TEMPORAL SENTINEL-1 IMAGES FOR THE CLASSIFICATION OF COASTAL VEGETATION ZONE OF THE DANUBE DELTA
Deep Learning vegetation Danube Delta temporal series Sentinel-1
2018/5/15
Land cover is a fundamental variable for regional planning, as well as for the study and understanding of the environment. This work propose a multi-temporal approach relying on a fusion of radar mult...
EVALUATION OF DATA APPLICABILITY FOR D-INSAR IN AREAS COVERED BY ABUNDANT VEGETATION
Evaluation of Data Applicability D-InSAR Geologic Hazard Areas Covered by Abundant Vegetation Spatial Decorrelation Interferometric Constraints
2018/5/16
In the past few years, the frequent geological disasters have caused enormous casualties and economic losses. Therefore, D-InSAR (differential interferometry synthetic aperture radar) has been widely ...
CANOPY MODELING OF AQUATIC VEGETATION: CONSTRUCTION OF SUBMERGED VEGETATION INDEX
Remote Sensing Submerged Vegetation Vegetation Index Radiative Transfer Model Sentinel-2A
2018/5/15
The unique spectral characteristics of submerged vegetation in wetlands determine that the conventional terrestrial vegetation index cannot be directly employed to species identification and parameter...
VEGETATION COVER ANALYSIS IN SHAANXI PROVINCE OF CHINA BASED ON GRID PIXEL TERND ANALYSIS AND STABILITY EVALUATION
Vegetation MODIS NDVI Trend analysis Stability evaluation Shaanxi
2018/5/16
As a key factor affecting the biogeochemical cycle of human existence, terrestrial vegetation is vulnerable to natural environment and human activities, with obvious temporal and spatial characteristi...
EVALUATION OF RGB-BASED VEGETATION INDICES FROM UAV IMAGERY TO ESTIMATE FORAGE YIELD IN GRASSLAND
RGB vegetation indices unmanned aerial vehicle biomass yield grassland pasture
2018/5/15
Monitoring forage yield throughout the growing season is of key importance to support management decisions on grasslands/pastures. Especially on intensely managed grasslands, where nitrogen fertilizer...
STUDY OF MAOWUSU SANDY LAND VEGETATION COVERAGE CHANGE BASED ON MODIS NDVI
Normalized Differential Vegetation Index Vegetation Coverage Maowusu Sandy Land Maximum Value Composite Pearson Correlation Coefficient Inverse Distance Weighting
2018/5/16
This paper selected 2006-2016 MODIS NDVI data with a spatial resolution of 500m and time resolution of 16d, got the 11 years’ time series NDVI data of Maowusu sandy land through mosaicking, projection...
ANALYZING THE VELOCITY OF VEGETATION PHENOLOGY OVER THE TIBETAN PLATEAU USING GIMMS NDVI3g DATA
Vegetation Phenology Velocity GIMMS NDVI Tibetan Plateau Climate Change
2018/5/17
Global environmental change is rapidly altering the dynamics of terrestrial vegetation, and phenology is a classic proxy to detect the response of vegetation to the changes. On the Tibetan Plateau, th...
ANALYSIS ON TEMPORAL-SPATIAL CHANGES OF VEGETATION CVERRGE IN FARMING-PASTORAL ECOTONE OF INNER MONGOLIA
Chen Barag Banner Farming-pastoral ecotone Vegetation coverage Pixel decomposition model Temporal-spatial analysis
2018/5/16
Chen Barag Banner is located in the typical farming-pastoral ecotone of Inner Mongolia, and it is also the core area of Hulunbuir steppe. Typical agricultural and pastoral staggered production mode so...
THE VEGETATION TRENDS AND DRIVERS IN BEIJING-TIANJING-HEIBEI REGION FROM 1982 TO 2013 BASED ON TIME SERIES GIMMS NDVI3g
GIMMS NDVI3g Monitoring the changes of vegetation Climate Change Beijing-Tianjin-Hebei Region
2018/5/15
Vegetation plays a leading role in ecosystems. Plant communities are the main components of ecosystems. Green plants in ecosystems are the primary producers, and they provide the living organic matter...
From Alaska To Amazonia:First Global Maps Of Traits That Drive Vegetation Growth（图）
Alaska Amazonia:First Global Maps Drive Vegetation Growth
2017/12/19
Based on measurements of 45,000 individual plants from 3,680 species, and using high-tech statistical mapping protocols, the team created global maps of plant traits including leaf nitrogen concentrat...
INTEGRATION AND USAGE OF INDICES, FEATURE COMPONENTS AND TOPOGRAPHY IN VEGETATION CLASSIFICATION FOR REGIONAL BIODIVERSITY ASSESSMENT
Remote Sensing Vegetation Classification Accuracy Ecology Spectral
2015/7/29
The classification of vegetation has been an important research subject in botany, ecology, geography, and other disciplines
to map the differences in vegetation types. Classifying vegetation by rem...
15 N fractionation between vegetation, soil, faeces and wool is not influenced by stocking rate
15-N Enrichment Trophic shift Diet C/N ratio Plant-animal-soil system Cycling
2015/2/4
Understanding stable isotope fractionation in trophic networks is important for the interpretation of stable isotope composition of ecosystem components. This work explores the influence of grazing pr...