搜索结果: 136-150 共查到“工学 Vegetation”相关记录206条 . 查询时间(0.085 秒)
Managing Vegetation to Restore Tern Nesting Habitat in the Gulf of Maine
vegetation management Common tern habitat Gulf of Maine seabird nesting
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2014/12/11
Following catastrophic exploitation throughout the North Atlantic, breeding seabird populations have begun to recover thanks to regulatory protection and restoration and management efforts. As bird po...
Identifying woody vegetation on coal surface mines using phenological indicators with multitemporal Landsat imagery
Afforestation Ecosystem Recovery Elaeagnus umbellata Landsat Land Cover Change Mine Reclamation Exotic Plants
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2014/12/4
Surface mining for coal has disturbed large land areas in the Appalachian Mountains. Better information on mined lands' ecosystem recovery status is necessary for effective environmental management in...
Vernal Pool Vegetation and Soil Patterns Along Hydrologic Gradients in Western Massachusetts
soil organic matter soil texture
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2014/11/26
This study looks at relationships along the hydrologic gradient between and within six pools; including the vegetation community, soil characteristics and hydrology. Pool conditions were monitored wee...
Temporal Change Detection of Vegetation Coverage in Patuakhali Coastal Area of Bangladesh Using GIS & Remotely Sensed Data
NDVI, Vegetation Cover Change Detection Remote Sensing (RS)
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2014/11/19
The use of spectral vegetation index, namely the Normalized Difference Vegetation Index
(NDVI) was applied to detect areas of vegetation cover and Delta Cue was applied to detect
areas of vegetati...
NDVI from Landsat 8 Vegetation Indices to Study Movement Dynamics of Capra Ibex in Mountain Areas
Capra ibex Landsat 8 Vegetation indices Ethology modelling Pseudo invariant features
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2014/9/29
In this study we analyse the correlation between the spatial positions of Capra ibex (mountain goat) on an hourly basis and the information obtained from vegetation indices extracted from Landsat 8 da...
Crop Type Classification Using Vegetation Indices of RapidEye Imagery
Vegetation indices RapidEye NDVI NDRE GNDVI SVM
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2014/9/29
Cutting-edge remote sensing technology has a significant role for managing the natural resources as well as the any other applications about the earth observation. Crop monitoring is the one of these ...
HIGH RESOLUTION TEMPORAL NORMALIZED DIFFERENCE VEGETATION INDICES FOR SPECIFIC CROP IDENTIFICATION
WorldView-2 Possibilistic c-Means Entropy Temporal NDVI Specific Crop
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2014/4/24
In many applications of the remote sensing, an user is often interested in identifying specific land cover only while other classes may be of no interest. In the present study, high resolution WorldVi...
BACKSCATTERING OF INDIVIDUAL LIDAR PULSES FROM FOREST CANOPIES EXPLAINED BY PHOTOGRAMMETRICALLY DERIVED VEGETATION STRUCTURE
Canopy imaging silhouette footprint echo triggering waveform LiDAR
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2014/4/24
In recent years, airborne LiDAR sensors have shown remarkable performance in the mapping of forest vegetation. This experimental study looks at LiDAR data at the scale of individual pulses to elucidat...
REAL AND SIMULATED WAVEFORM RECORDING LIDAR DATA IN BOREAL JUVENILE FOREST VEGETATION
Radiative transfer modeling LiDAR Waveform Monte Carlo ray tracing Simulation Vegetation structure
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2014/4/24
Airborne small-footprint LiDAR is replacing field measurements in regional-level forest inventories, but auxiliary field work is still required for the optimal management of young stands. Waveform (WF...
ANALYSIS ON THE CHANGE OF VEGETATION COVERAGE IN QINGHAI PROVINCE FROM 2000 TO 2012
Vegetation Coverage Qinghai Province Coefficient of Variability Trend Line Analysis Change Analysis MODIS
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2014/4/24
Qinghai Province is one of the important provinces on the Qinghai-Tibet Plateau in China. Its unique alpine meadow ecosystem
makes it become the most concentrated areas of biodiversity in high altit...
Assessment of hydrogen fluoride damage to vegetation using optical remote sensing data
Hydrogen Fluoride Vegetation Index Hyperspectral Imagery Aerial Photograph Cadastral map
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2014/4/22
This research assesses damage to vegetation from accidental gaseous hydrogen fluoride leakage, through the analysis of spectral features of the damaged plants using digital aerial photographs and airb...
Vegetation succession and environmental changes in Central India during Early Cenozoic
Deccan Intertrapps vegetational reconstructions Vidharbha-Chhindwara Mandla-Dindori region (Central India) early Tertiary
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2014/1/16
In order to infer the climate and the floral changes during the early Cenozoic of central India, a critical analysis has been made of the generic composition of Deccan Intertrappean series of India, w...
Vegetation and wildfire controls on sediment yield in bedrock landscapes
Vegetation and wildfire controls sediment yield bedrock landscapes
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2014/4/8
Steep, rocky landscapes commonly exhibit high sediment yields and are especially sensitive to climate, tectonics,and wildfire. Predicting landscape response to these perturbations demands a quantitati...
VEGETATION CHARACTERISTICS USING MULTI-RETURN TERRESTRIAL LASER SCANNER
terrestrial laser scanning vegetation mapping point cloud processing DEM/DTM
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2014/6/5
Distinguishing vegetation characteristics in a terrestrial laser scanner dataset is an interesting issue for environmental assessment. Methods for filtering vegetation points to distinguish them from ...
VERTICAL VEGETATION STRUCTURE ANALYSIS AND HYDRAULIC ROUGHNESS DETERMINATION USING DENSE ALS POINT CLOUD DATA - A VOXEL BASED APPROACH
surface roughness hydraulic simulation Manning's n land cover full-waveform LiDAR
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2014/6/5
In this contribution the complexity of the vertical vegetation structure, based on dense airborne laser scanning (ALS) point cloud data (25 echoes/m2 ), is analyzed to calculate vegetation roughness f...