搜索结果: 1-15 共查到“地球科学总论 dynamics”相关记录48条 . 查询时间(0.162 秒)
Small stars share similar dynamics to our sun, key to planet habitability
magnetic activity cool stars magnetic environment
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2021/8/10
Scientists show that 'cool' stars like the sun share dynamic surface behaviors that influence their energetic and magnetic environments. Stellar magnetic activity is key to whether a given star can ho...
Global climate dynamics drove the decline of mastodonts and elephants, new study suggests
extreme global environmental change the decline of mastodonts and elephants evolution
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2021/8/4
Elephants and their forebears were pushed into wipeout by waves of extreme global environmental change, rather than overhunting by early humans, according to new research.
Examining the distribution and dynamics of impervious surface in different function zones in Beijing
impervious surface landscape metrics classification and regression tree (CART) function zones Lorenz curve contribution index
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2018/4/9
Impervious surface (IS) is often recognized as the indicator of urban environmental changes. Numerous research efforts have been devoted to studying its spatio-temporal dynamics and ecological effects...
Using field observations to inform thermal hydrology models of permafrost dynamics with ATS (v0.83)
thermal hydrology models permafrost dynamics ATS
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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...
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...
DYPTOP: a cost-efficient TOPMODEL implementation to simulate sub-grid spatio-temporal dynamics of global wetlands and peatlands
global wetlands peatlands
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2014/12/19
Simulating the spatio-temporal dynamics of inundation is key to understanding the role of wetlands under past and future climate change. Earlier modelling studies have mostly relied on fixed prescribe...
Long residence times of rapidly decomposable soil organic matter: application of a multi-phase, multi-component, and vertically resolved model (BAMS1) to soil carbon dynamics
Long residence times rapidly decomposable soil organic matter multi-phase multi-component vertically resolved model soil carbon dynamics
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2014/12/19
Accurate representation of soil organic matter (SOM) dynamics in Earth system models is critical for future climate prediction, yet large uncertainties exist regarding how, and to what extent, the sui...
A reduced-order modeling approach to represent subgrid-scale hydrological dynamics for land-surface simulations: application in a polygonal tundra landscape
reduced-order modeling represent subgrid-scale hydrological dynamics
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2014/12/19
Existing land surface models (LSMs) describe
physical and biological processes that occur over a wide
range of spatial and temporal scales. For example, biogeochemical and hydrological processes res...
Modeling radiocarbon dynamics in soils: SOILR version 1.1
soils Modeling radiocarbon dynamics
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2014/12/19
Radiocarbon is an important tracer of the global
carbon cycle that helps to understand carbon dynamics in
soils. It is useful to estimate rates of organic matter cycling as
well as the mean residen...
Ice sheet dynamics within an earth system model: downscaling, coupling and first results
earth system model downscaling
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2014/12/19
We present first results from a coupled model
setup, consisting of the state-of-the-art ice sheet model
RIMBAY (Revised Ice Model Based on frAnk pattYn), and
the community earth system model ...
RIMBAY – a multi-approximation 3D ice-dynamics model for comprehensive applications: model description and examples
a multi-approximation comprehensive applications
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2014/12/18
Glaciers and ice caps exhibit currently the largest
cryospheric contributions to sea level rise. Modelling the dynamics and mass balance of the major ice sheets is therefore
an important issue to in...
Using model reduction to predict the soil-surface C18OO flux: an example of representing complex biogeochemical dynamics in a computationally efficient manner
Using model reduction predict the soil-surface C18OO flux representing complex biogeochemical dynamics computationally efficient manner
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2014/12/16
Earth system models (ESMs) must calculate large-scale interactions between the land and atmosphere while accurately characterizing fine-scale spatial heterogeneity in water, carbon, and other nutrient...
Efficient modeling of sun/shade canopy radiation dynamics explicitly accounting for scattering
sun/shade canopy radiation dynamics explicitly accounting scattering
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2014/12/10
The separation of global radiation (Rg) into its direct (Rb) and diffuse constituents (Rg) is important when modeling plant photosynthesis because a high Rd:Rg ratio has been shown to enhance Gross Pr...
The role of phytoplankton dynamics in the seasonal and interannual variability of carbon in the subpolar North Atlantic – a modeling study
phytoplankton dynamics seasonal interannual variability carbon subpolar North Atlantic modeling study
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2014/12/10
We developed an ecosystem/biogeochemical model system, which includes multiple phytoplankton functional groups and carbon cycle dynamics, and applied it to investigate physical-biological interactions...
The Nexus Land-Use model version 1.0, an approach articulating biophysical potentials and economic dynamics to model competition for land-use
Demand for food. Biomass energy Forest protection Land use Model equation biophysics
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2014/12/10
Interactions between food demand, biomass energy and forest preservation are driving both food prices and land-use changes, regionally and globally. This study presents a new model called Nexus Land-U...