CCPortal

浏览/检索结果: 共6条,第1-6条 帮助

已选(0)清除 条数/页:   排序方式:
Assessing structural changes at the forest edge using kernel density estimation 期刊论文
, 2020, 卷号: 456
作者:  Wang Z.;  Ginzler C.;  Waser L.T.
收藏  |  浏览/下载:27/0  |  提交时间:2020/07/28
Ecosystems  Information management  Laser applications  Remote sensing  Statistics  Airborne Laser scanning  Automatic quantification  Forest edge  Height distribution  Kernel Density Estimation  Remote sensing data  Structural diversity  Vertical structures  Forestry  assessment method  estimation method  forest ecosystem  forest edge  forest management  laser method  mixed farming  mixed forest  temperate forest  Area  Data  Density  Ecosystems  Edges  Forestry  Remote Sensing  Statistics  Eastern Europe  
Spatiotemporal distributions of cloud properties over China based on Himawari-8 advanced Himawari imager data 期刊论文
, 2020, 卷号: 240
作者:  Yang Y.;  Zhao C.;  Fan H.
收藏  |  浏览/下载:42/0  |  提交时间:2020/07/28
Earth atmosphere  Meteorology  Cloud fraction  Cloud optical thickness  Cloud top heights  Cloud-top temperatures  Diurnal variation  Himawari-8  Water supply  cloud cover  diurnal variation  height  optical property  satellite data  seasonal variation  spatial distribution  temperature  temporal distribution  China  Qinghai-Xizang Plateau  
Functional diversity of tree cavities for secondary cavity-nesting birds in logged subtropical Piedmont forests of the Andes 期刊论文
, 2020, 卷号: 464
作者:  Schaaf A.A.;  Gomez D.;  Ruggera R.A.;  Tallei E.;  Vivanco C.G.;  Politi N.;  Rivera L.
收藏  |  浏览/下载:43/0  |  提交时间:2020/07/28
Birds  Conservation  Decision making  Ecology  Population distribution  Tropics  Argentina  Cavity trees  Cavity-nesting birds  Functional ecologies  Logged forests  Neotropics  Forestry  bird  functional role  height  Neotropical Region  nesting behavior  niche  piedmont  relative abundance  treehole  Argentina  Birds  Conservation  Decision Making  Ecology  Tropics  Andes  Argentina  Piedmont  Aves  
Influence of past mortality and measurement thresholds on tree-ring inferred trends in tree distribution and size-growth relationships at a Populus tremuloides stand in the Northwest Territories, Canada 期刊论文
, 2020, 卷号: 466
作者:  Metsaranta J.M.
收藏  |  浏览/下载:32/0  |  提交时间:2020/07/28
Size distribution  Trees (mathematics)  Annual resolution  Calculated values  Diameter-at-breast heights  Populus tremuloides  Size growths  Tree distribution  Tree rings  Tree spacing  Forestry  boreal forest  deciduous tree  dominance  ecozone  forest management  growth response  height  mortality  spacing  stand structure  time series analysis  tree ring  trend analysis  Distribution  Forestry  Growth  Mortality  Northwest Territories  Populus Tremuloides  Sampling  Trees  Canada  Northwest Territories  Populus tremuloides  
Characteristics of Low-level jets during 2015–2016 and the effect on fog in Tianjin 期刊论文
, 2020, 卷号: 245
作者:  Wu B.;  Li Z.;  Ju T.;  Zhang H.
收藏  |  浏览/下载:25/0  |  提交时间:2020/07/28
Atmospheric boundary layer  Atmospheric humidity  Boundary layer flow  Life cycle  Meteorological instruments  Shear flow  Weather information services  Wind  Atmospheric stability  Automatic weather stations  Height distribution  Inertial oscillation  Meteorological tower  Negative correlation  Prevailing wind directions  Seasonal and diurnal variations  Fog  boundary layer  diurnal variation  fog  jet stream  seasonal variation  wind direction  wind profile  wind shear  wind velocity  China  Tianjin  
Seasonal variation and source analysis of persistent organic pollutants in the atmosphere over the western Tibetan Plateau 期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2018, 卷号: 25, 期号: 24
作者:  Zhang, Jingyi;  Wang, Xiaoping;  Gong, Ping;  Wang, Chuanfei;  Sun, Dianchao
收藏  |  浏览/下载:225/0  |  提交时间:2022/06/21
POLYBROMINATED DIPHENYL ETHERS  BOUNDARY-LAYER HEIGHT  LONG-RANGE TRANSPORT  PASSIVE AIR SAMPLER  ORGANOCHLORINE PESTICIDES  POLYCHLORINATED-BIPHENYLS  SPATIAL-DISTRIBUTION  SOIL EXCHANGE  MOUNTAIN AIR  SURFACE SOIL