搜索结果: 1-15 共查到“permafrost”相关记录31条 . 查询时间(0.051 秒)
Vegetation Mapping in the Permafrost Region: A Case Study on the Central Qinghai-Tibet Plateau
vegetation mapping alpine swamp meadow random forest permafrost region Qinghai-Tibet Plateau
2023/12/4
An accurate and detailed vegetation map is of crucial significance for understanding the spatial heterogeneity of subsurfaces, which can help to characterize the thermal state of permafrost. The absen...
Thawing permafrost releases greenhouse gas from depth
permafrost methane concentration limestone greenhouse gas effect
2021/8/3
Geologists compared the spatial and temporal distribution of methane concentrations in the air of northern Siberia with geological maps. The result: the methane concentrations in the air after last ye...
The environment for permafrost in Daisetsu Mountains in Japan is projected to decrease significantly
Japan climatic conditions permafrost mountains
2021/8/2
Areas with climatic conditions suitable for sustaining permafrost in the Daisetsu Mountains are projected. The size of the area in the Daisetsu Mountains where climatic conditions were suitable for pe...
![](http://www.firstlight.cn/upload/imgfile/202010/30/202010301412225.jpg)
Coastal permafrost more susceptible to climate change than previously thought(图)
Coastal permafrost susceptible climate change previously thought
2020/10/30
If you flew from the sea toward the land along the north slope of Alaska, you would cross from the water, over a narrow beach, and then to the tundra. From the air, that tundra would look like a lands...
![](http://www.firstlight.cn/upload/imgfile/20206/19/2020619112428462.jpg)
Patterns in permafrost soils could help climate change models(图)
Patterns permafrost soils climate change models
2020/6/19
The Arctic covers about 20% of the planet. But almost everything hydrologists know about the carbon-rich soils blanketing its permafrost comes from very few measurements taken just feet from Alaska's ...
![](http://www.firstlight.cn/upload/imgfile/20201/21/2020121164549656.jpg)
Thawing permafrost affects Alaska's land-to-ocean river flows(图)
Thawing permafrost Alaska land-to-ocean river flows
2020/1/21
A new analysis of the hydrologic cycle across the North Slope of Alaska reveals significant increases in subsurface runoff and cold season discharge -- changes scientists say reflect thawing permafros...
UD prof studies how permafrost thawing affects vegetation,carbon cycle
UD prof permafrost thawing vegetation carbon cycle
2016/3/11
“There is a lot of carbon frozen in the Arctic soil’s permafrost layer. If this all thaws out, prevailing thought is that the carbon in the soil could be released to the atmosphere and potentially acc...
UAV PHOTOGRAMMETRY FOR MAPPING AND MONITORING OF NORTHERN PERMAFROST LANDSCAPES
Unmanned Aerial Vehicles UAVs Mapping Arctic Disturbance Permafrost Structure from motion
2015/9/10
Northern environments are changing in response to recent climate warming, resource development, and natural disturbances. The Arctic climate has warmed by 2–3°C since the 1950’s, causing a range of cr...
Using field observations to inform thermal hydrology models of permafrost dynamics with ATS (v0.83)
thermal hydrology models permafrost dynamics ATS
2015/9/10
Climate change is profoundly transforming the carbon-rich Arctic tundra landscape, potentially moving it from a carbon sink to a carbon source by increasing the thickness of soil that thaws on a seaso...
HIGH TEMPORAL RESOLUTION PERMAFROST MONITORING USING A MULTIPLE STACK INSAR TECHNIQUE
InSAR Permafrost Infrastructure Monitoring
2015/5/7
The combined effect of climate change and accelerated economic development in Northern regions increases the threat of permafrost related surface deformation to buildings and transportation infrastr...
Degradation of buried ice and permafrost in the Veleta cirque (Sierra Nevada, Spain) from 2006 to 2013 as a response to recent climate trends
Veleta cirque du soleil the sierra Nevada mountains national park the quaternary cold ice age the glacier
2015/1/6
The Veleta cirque is located at the foot of the Veleta peak, one of the highest summits of the Sierra Nevada National Park (southern Spain). This cirque was the source of a glacier valley during the Q...
Permafrost-affected soils and their carbon pools with a focus on the Russian Arctic
Soil organic matter, swimming pool, the quaternary period, the climate system, cryosphere, arctic climate
2015/1/6
Permafrost-affected soils have accumulated enormous pools of organic matter during the Quaternary period. The area occupied by these soils amounts to more than 8.6 million km2, which is about 27% of a...
Freeze/thaw processes in complex permafrost landscapes of northern Siberia simulated using the TEM ecosystem model: impact of thermokarst ponds and lakes
Freeze/thaw processes complex permafrost landscapes northern Siberia simulated TEM ecosystem model thermokarst ponds and lakes
2014/12/19
Freeze/thaw (F/T) processes can be quite different under the various land surface types found in the complex tundra of the Arctic, such as polygonal tundra (wet center and dry rims), ponds, and thermo...
Simulating high-latitude permafrost regions by the JSBACH terrestrial ecosystem model
High latitudes phenomenon freeze thaw coupling thermal stratified soil hydrological processes insulation moss cover basin northern system capture the dynamic
2014/12/18
The current version of JSBACH incorporates phenomena specific to high latitudes: freeze/thaw processes, coupling thermal and hydrological processes in a layered soil scheme, defining a multilayer snow...
国际冻土协会(International Permafrost Association)
国际冻土协会 土壤
2013/11/29
The International Permafrost Association, founded in 1983, has as its objectives to foster the dissemination of knowledge concerning permafrost and to promote cooperation among persons and national or...