搜索结果: 1-15 共查到“测绘科学技术 biomass”相关记录38条 . 查询时间(0.062 秒)
WATCHING GRASS GROW- A PILOT STUDY ON THE SUITABILITY OF PHOTOGRAMMETRIC TECHNIQUES FOR QUANTIFYING CHANGE IN ABOVEGROUND BIOMASS IN GRASSLAND EXPERIMENTS
Aboveground Biomass Volume Derivation Grassland Structure-from-Motion Low-Cost Cameras
2018/6/4
Grassland ecology experiments in remote locations requiring quantitative analysis of the biomass in defined plots are becoming increasingly widespread, but are still limited by manual sampling methodo...
UAV-BASED AUTOMATIC TREE GROWTH MEASUREMENT FOR BIOMASS ESTIMATION
UAV point cloud biomass estimation tree height
2016/11/30
Manual in-situ measurements of geometric tree parameters for the biomass volume estimation are time-consuming and economically non-effective. Photogrammetric techniques can be deployed in order to aut...
SUBTROPICAL FOREST BIOMASS ESTIMATION USING AIRBORNE LiDAR AND HYPERSPECTRAL DATA
ubtropical Forest Biomass Airborne Lidar Hyperspectral Fusion
2016/11/30
Forests have complex vertical structure and spatial mosaic pattern. Subtropical forest ecosystem consists of vast vegetation species and these species are always in a dynamic succession stages. It is ...
IMPACTS OF TREE HEIGHT-DBH ALLOMETRY ON LIDAR-BASED TREE ABOVEGROUND BIOMASS MODELING
tree aboveground biomass lidar allometric equations simulation regression
2016/11/30
Lidar has been widely used in tree aboveground biomass (AGB) estimation at plot or stand levels. Lidar-based AGB models are usually constructed with the ground AGB reference as the response variable a...
ESTIMATION OF REGIONAL FOREST ABOVEGROUND BIOMASS COMBINING ICESAT-GLAS WAVEFORMS AND HJ-1A/HSI HYPERSPECTRAL IMAGERIES
LiDAR ICESat-GLAS Waveform HJ-1A/HSI Hyperspectral imagery Forest aboveground biomass Support vector machines
2016/11/24
Estimation of forest aboveground biomass (AGB) is a critical challenge for understanding the global carbon cycle because it dominates the dynamics of the terrestrial carbon cycle. Light Detection and ...
NEURAL NETWORK-BASED ANALYTICAL MODEL FOR BIOMASS ESTIMATION IN POYANG LAKE WETLAND USING ENVISAT ASAR DATA
biomass sar wetland monitoring
2016/1/3
Poyang Lake is the largest freshwater lake in China with an area of about 3,000 km2. Its wetland ecosystem has a significant impact on China' s environment change. Traditional way to monitor biomass c...
INNOVATIVE WOODY BIOMASS RESOURCE ASSESSMENT USING MULTIPLE RESOLUTION SATELLITE IMAGERY AND GEOBIA TECHNOLOGY
Renewable Energy Biomass Satellite Imagery GEOBIA QuickBird Landsat Feature Analyst
2015/11/16
The Public Service Company of New Mexico is pursuing biomass electrical generation as its next viable source of renewable
energy. Several areas of New Mexico have been the focus of an ongoing study ...
STATISTICAL PROPERTIES OF MEAN STAND BIOMASS ESTIMATORS IN A LIDARBASED DOUBLE SAMPLING FOREST SURVEY DESIGN
Forestry statistics LIDAR sampling inventory biomass
2015/11/10
Airborne laser scanning (lidar) can be a valuable tool in double-sampling forest survey designs. Lidar-derived forest structure metrics are often highly correlated with important forest inventory vari...
HYPERSPECTRAL REMOTE SENSING FOR SEASONAL ESTIMATION OF ABOVEGROUND BIOMASS IN GRASSLAND HABITATS
Biomass Field spectrometer measurements Hyperion
2015/9/8
Dry grassland sites are amongst the most species rich habitats of Central Europe. In Switzerland, they are home to a large number of
plant and animal species that are classified as endangered or thre...
Our previous studies using airborne lidar data have shown that the tree height indices derived from the GLAS and
LVIS waveforms were highly correlated. The quartile waveform energy heights derived fr...
TROPICAL FOREST BIOMASS ESTIMATION AND MAPPING USING K-NEAREST NEIGHBOUR (KNN) METHOD
K-nearest Neighbour Forest Biomass Landsat Map
2015/8/28
Estimation and mapping of tropical forest biomass is important for periodic carbon accounting, as tropical deforestation is one of the
major sources of terrestrial carbon emission in the recent decad...
Estimating Forest Biomass in Temperate Forests Using Airborne Multi-frequency Polarimetric SAR Data
Synthetic Aperture Radar (SAR) Polarimetry Multi-frequency
2015/8/28
We used multi-sensor, multi-frequency and multi-polarization SAR data for biophysical parameter retrieval in plantation forests of
Northern Japan. The statistical relationships with different biophys...
Using spectral information at the nir water absorption features to estimate canopy water content and biomass
Vegetation Canopy water content Biomass
2015/8/20
Biomass is one of the key biophysical variables of interest in vegetation studies and it can be defined in terms of fresh matter weight
or dry matter weight. Biogeochemical processes, such as photosy...
Monitoring vegetation biomass in river floodplains using imaging spectroscopy
plant functional type aboveground biomass mixture tuned match filtering (MTMF)
2015/8/20
For optimal management of river floodplains in the Netherlands monitoring of natural vegetation succession and hydrodynamic
processes is essential. A key biophysical parameter to monitor floodplains ...
TROPICAL FOREST BIOMASS MAPPING FROM DUAL FREQUENCY SAR INTERFEROMETRY (X AND P- BANDS)
Interferometer SAR Forestry Land cover Inventory Mapping Modelling
2015/7/30
Radar sensors operating with different wavelengths and polarizations have been widely used for large-scale forest mapping and
monitoring. The interferometric phase obtained by microwave sensors conta...