搜索结果: 1-12 共查到“林业基础学科 canopy”相关记录12条 . 查询时间(0.031 秒)
Estimation of diameter at breast height from mobile laser scanning data collected under a heavy forest canopy
mobile mapping system clustering point cloud circle fit
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2018/3/6
Mobile laser scanning (MLS) is time-efficient technology of geospatial data collection that proved its ability to provide
accurate measurements in many fields. Mobile innovation of the terrestrial la...
Below-canopy and topsoil temperatures in young Norway spruce and Carpathian birch stands compared to gaps in the mountains
air soil below-canopy climate microclimate stand environment
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2016/11/11
Reduced air pollution load has allowed to use commercially oriented forestry in the Central European mountains since the 1990s. The goal is, however, to restore species- and age-diversified stable sta...
A COMPARISON OF OBJECT-BASED AND PIXEL-BASED APPROACHES TO ESTIMATE LIDAR-MEASURED FOREST CANOPY HEIGHT USING QUICKBIRD IMAGERY
Canopy height Geographic object-based image analysis
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2015/11/16
Canopy surface height (CSH) is a significant forest biophysical parameter to estimate above-ground biomass and carbon content.
High- spatial resolution optical remotely sensed data have shown promis...
A two-layer canopy model with thermal inertia for an improved snowpack energy balance below needleleaf forest (model SNOWPACK, version 3.2.1, revision 741)
improved snowpack energy balance canopy model
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2015/8/11
A new, two-layer canopy module with thermal
inertia as part of the detailed snow model SNOWPACK
(version 3.2.1) is presented and evaluated. As a by-product
of these new developments, an exhaustive ...
DEVELOPMENT AND APPLICATION OF THREE DIMENSIONAL MEASUREMENT SYSTEM FOR TOROPICAL RAINFOREST CANOPY
Ecosystem Forestry Measurement Reconstruction Laser scanning Surface Three-dimensional
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2015/7/29
As the most basic knowledge of remote sensing, spectral radiances that are reflected from the surface and received by the sensor are
under the influence of various physical factors. One of the most ...
FOREST CANOPY DENSITY MONITORING, USING SATELLITE IMAGES
Remote Sensing Forestry Change Detection Landsat Multispectral Thermal
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2015/7/29
The increasing use of satellite Remote Sensing for civilian use has proved to be the most cost effective means of mapping and
monitoring environmental changes in terms of vegetation and non-renewabl...
Biomass allocation influenced by canopy closure in a young spruce stand
tree allometry repeated sampling
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2015/5/18
Growth intensity of particular tree components is controlled by a variety of factors and as a consequence,
biomass allocation also changes over time. Since the allocation of biomass controls the car...
The impact of juvenile tree species canopy on properties of new forest floor
afforestation agricultural land forest floor topsoil nutrients
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2015/4/24
To keep forest soils fertile, forest practitioners plant mixed stands that are composed of both economically efficient trees such as conifers and soil-improving broadleaves. This is a mandated practic...
Changes in humus forms in gaps of the canopy of semi-natural beech stand
humus forms beech stands humus accumulation
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2015/3/3
The article presents original results of research on the humus form dynamics in a semi-natural European
beech stand in the National Natural Reserve Voděradské bučiny, in the area of Training Fo...
Canopy closure altered biomass allocation in young spruce stand
tree allometry repetitive sampling tree components Picea abies carbon sequestration and cycling
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2015/5/6
Growth intensity of particular tree components is controlled by a variety of factors and as a consequence, biomass allocation also changes over time. Since allocation of biomass controls the carbon re...
Canopy gaps in two virgin beech forest reserves in Slovakia
natural disturbance gap size distribution gap formation European beech
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2015/2/6
The formation, size distribution and percentage of gaps in two virgin deciduous forests are presented in two case studies. Gaps are defined as openings in the canopy above 2/3 of stand height. These g...
Snow depth as a function of canopy cover and other site attributes in a forested ungulate winter range in southeast British Columbia
canopy cover southeast British Columbia snow depth ungulate winter range
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2009/1/9
Snow depth is considered a major influence on deer (Odocoileus spp.) winter distribution and abundance in northern parts of their range. Overstorey canopy cover is often considered a principal variabl...