搜索结果: 1-15 共查到“理学 Northern hemisphere”相关记录34条 . 查询时间(0.064 秒)
Vegetation growth in Northern Hemisphere stunted by water constraints in warming climate
warming climate water constraints vegetation growth greenhouse gass
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2021/8/4
A new study of vegetation growth in the Northern Hemisphere over the past 30 years has found that vegetation is becoming increasingly water-limited as global temperatures increase, which has the poten...
Improving the dynamics of Northern Hemisphere high-latitude vegetation in the ORCHIDEE ecosystem model
Northern Hemisphere high-latitude vegetation ORCHIDEE ecosystem model
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2015/8/6
Processes that describe the distribution of vegetation and ecosystem succession after disturbance are an important component of dynamic global vegetation models (DGVMs). The vegetation dynamics module...
A dynamic continental runoff routing model applied to the last Northern Hemisphere deglaciation
continental runoff routing model last Northern Hemisphere glaciation
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2014/12/10
We describe and evaluate a dynamical continental runoff routing model for the Northern Hemisphere that calculates the runoff pathways in response to topographic modifications due to changes in ice thi...
Multi-Satellite and Sensor Derived Trends and Variation of Snow Water Equivalent on the High-Latitudes of the Northern Hemisphere
Arctic Snow Water Equivalent Multi-Satellite Microwave Trends and Variations
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2013/3/7
Utilizing more than 30 years of satellite-microwave sensor derived snow water equivalent data on the high-latitudes of the northern hemisphere we investigate regional trends and variations relative to...
Monitoring freeze-up and break-up dates of Northern Hemisphere big lakes using passive microwave remote sensing data
Lake ice freeze-up date break-up date passive microwave brightness temperature
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2013/9/2
Historic freeze-up and break-up dates of lakecan record the regional climate variability. Observations of lakeice from different regional or country's stations are inconsistent and their number was de...
Investigating the evolution of major Northern Hemisphere ice sheets during the last glacial-interglacial cycle
Hemisphere ice sheets last glacial-interglacial cycle
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2009/12/3
A 2.5-dimensional climate model of intermediate complexity, CLIMBER-2, fully coupled with the GREMLINS 3-D thermo-mechanical ice sheet model is used to simulate the evolution of major Northern Hemisph...
Late Glacial to Holocene environments in the present-day coldest region of the Northern Hemisphere inferred from a pollen record of Lake Billyakh, Verkhoyansk Mts, NE Siberia
Holocene environments Northern Hemisphere coldest region
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2009/12/3
In this study, a radiocarbon-dated pollen record from Lake Billyakh (65°17' N, 126°47' E; 340 m a.s.l.) in the Verkhoyansk Mountains was used to reconstruct vegetation and climate change since about 1...
Empirically derived climate predictability over the extratropical northern hemisphere
climate predictability extratropical northern hemisphere
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2009/11/16
A novel application of a technique developed from chaos theory is used in describing seasonal to interannual climate predictability over the Northern Hemisphere (NH). The technique is based on an empi...
Variability of residence time in the Tropical Tropopause Layer during Northern Hemisphere winter
residence time Tropical Tropopause Layer Northern Hemisphere winter
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2009/9/22
For the first time the long-term interannual and spatial variability of residence time (τ) is presented for the TTL between 360 K and 400 K potential temperature (~14 to 18 km altitude). The analysis ...
Classification of Northern Hemisphere stratospheric ozone and water vapor profiles by meteorological regime
Northern Hemisphere stratospheric ozone water vapor profiles meteorological regime
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2009/8/25
The subtropical and polar upper troposphere fronts and the polar vortex serve as the boundaries to divide the Northern Hemisphere into four meteorological regimes. These regimes are defined as (1) the...
An updated search of steady TeV γ-ray point sources in northern hemisphere using the Tibet air shower array
ASγ experiment γ-ray point sources 90% C.L. flux pper limits
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2009/8/17
Using the data taken from Tibet II High Density (HD) Array (1997 February—1999 September) and Tibet-III array (1999 November—2005 November), our previous northern sky survey for TeV γ-ray point source...
Eastern Asian endemic seed plant genera and their paleogeographic history throughout the Northern Hemisphere
Cretaceous eastern Asia endemic paleobotany phytogeography Tertiary
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2009/8/4
We review the fossil history of seed plant genera that are now endemic to eastern Asia. Although the majority of eastern Asian endemic genera have no known fossil record at all, 54 genera, or about 9%...
New Estimate of Annual Poleward Energy Transport by Northern Hemisphere Oceans
Annual Poleward Energy Northern Hemisphere Oceans
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2009/4/2
Recent measurements of the earth's radiation budget from satellites, together with extensive atmospheric energy transport summaries based on rawinsonde data, allow a new estimate of the required polew...
On the Observed Annual Cycle in the Ocean-Atmosphere Heat Balance Over the Northern Hemisphere
Annual Cycle Northern Hemisphere Ocean-Atmosphere Heat Balance
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2009/3/7
Based on the best presently available satellite radiation, atmospheric and oceanic data sets the long-term mean heat balance of the earth and its normal seasonal variation are investigated over the No...
Linking horizontal and vertical transports of biomass fire emissionsto the tropical Atlantic ozone paradox during the Northern Hemisphere winter season: climatology
biomass fire emissionsto tropical Atlantic ozone paradox Northern Hemisphere winter
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2009/2/24
During the Northern hemisphere winter season, biomass burning is widespread in West Africa, yet the total tropospheric column ozone values (<30DU) over much of the Tropical Atlantic Ocean (15°N-5°S) ...