搜索结果: 1-15 共查到“地球科学总论 ecosystems”相关记录15条 . 查询时间(0.065 秒)
Coastal ecosystems worldwide: Billion-dollar carbon reservoirs
ecosystem change climate change carbon storage ecosystem
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2021/8/5
Australia's coastal ecosystems alone save the rest of the world costs of around 23 billion US dollar a year by absorbing CO2 from the atmosphere. Coastal ecosystems such as seagrass meadows, salt mars...
EMPOWER-1.0:an Efficient Model of Planktonic ecOsystems WrittEn in R
EMPOWER-1.0 Planktonic ecOsystems WrittEn in R
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2015/8/6
Modelling marine ecosystems requires insight and judgement when it comes to deciding upon appropriate model structure, equations and parameterisation. Many processes are relatively poorly understood a...
Model–data fusion across ecosystems: from multisite optimizations to global simulations
Model–data fusion across ecosystems global simulations
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2014/12/19
This study uses a variational data assimilation framework to simultaneously constrain a global ecosystem model with eddy covariance measurements of daily net ecosystem exchange (NEE) and latent heat (...
A model using marginal efficiency of investment to analyze carbon and nitrogen interactions in terrestrial ecosystems (ACONITE Version 1)
marginal effi ciency investment to analyze carbon
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2014/12/19
Carbon (C) and nitrogen (N) cycles are coupled
in terrestrial ecosystems through multiple processes including photosynthesis, tissue allocation, respiration, N fixation,
N uptake, and decompos...
ECOCLIMAP-II/Europe: a twofold database of ecosystems and surface parameters at 1 km resolution based on satellite information for use in land surface, meteorological and climate models
ECOCLIMAP-II/Europe ecosystems and surface parameters 1 km resolution satellite information land surface meteorological climate models
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2014/12/16
The overall objective of the present study is to introduce the new ECOCLIMAP-II database for Europe, which is an upgrade for this region of the former initiative, ECOCLIMAP-I, already implemented at g...
Environmental influences on carbon dioxide fluxes over three grassland ecosystems in China
Environmental influences carbon dioxide three grassland ecosystems China
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2010/1/21
This study compared carbon dioxide (CO2) fluxes over three grassland ecosystems in China, including a temperate semiarid steppe in Inner Mongolia (NMG), an alpine shrub-meadow in Qinghai (HB), and an ...
Marine ecosystems get a climate form guide
Marine ecosystems a climate form guide climate change
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2009/12/14
The Marine Climate Change Impacts and Adaptation Report Card for Australia, and an accompanying website, will provide a biennial guide for scientists, government and the community on observed and proj...
An automated dynamic chamber system for surface exchange measurement of non-reactive and reactive trace gases of grassland ecosystems
dynamic chamber system surface exchange measurement grassland ecosystems
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2010/1/19
We present an automated dynamic chamber system which is optimised for continuous unattended flux measurements of multiple non-reactive and reactive trace gases on grassland ecosystems. Main design fea...
Ecosystems Push South--Warming Climate Drives Plankton and Penguins Poleward（图）
Ecosystems Push South Warming Climate Plankton and Penguins Poleward
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2009/12/10
Adélie penguins are flocking closer to the South Pole. A new study in the leading journal Science explains why: they’re following the food supply, which is moving southward with changing climate.Krill...
CO2 enrichment increases nutrient leaching from model forest ecosystems in subtropical China
CO2 enrichment nutrient leaching model forest ecosystems subtropical China
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2010/1/18
The effect of high atmospheric CO2 concentrations on the dynamics of mineral nutrient is not well documented, especially for subtropical China. We used model forest ecosystems in open-top chambers to ...
Quality control of CarboEurope flux data – Part 1:Coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems
Quality control CarboEurope flux data footprint analyses flux data
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2010/1/15
We applied a site evaluation approach combining Lagrangian Stochastic footprint modeling with a quality assessment approach for eddy-covariance data to 25 forested sites of the CarboEurope-IP network....
Net ecosystem carbon exchange in three contrasting Mediterranean ecosystems – the effect of drought
Net ecosystem carbon exchange Mediterranean ecosystems effect of drought
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2010/1/14
Droughts reduce gross primary production (GPP) and ecosystem respiration (Reco), contributing to most of the inter-annual variability in terrestrial carbon sequestration. In seasonally dry climates (M...
Effects of climate warming and declining species richness in grassland model ecosystems:acclimation of CO2 fluxes
climate warming declining species richness grassland model ecosystems CO2 fluxes
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2010/1/14
To study the effects of warming and declining species richness on the carbon balance of grassland communities, model ecosystems containing one, three or nine species were exposed to ambient and elevat...
El Niño and similar perturbation effects on the benthos of the Humboldt, California, and Benguela Current upwelling ecosystems
El Niñ o similar perturbation effects Benguela Current upwelling ecosystems
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2010/1/25
To a certain degree, Eastern Boundary Current (EBC) ecosystems are similar: Cold bottom water from moderate depths, rich in nutrients, is transported to the euphotic zone by a combination of trade win...
The carbon budget of terrestrial ecosystems at country-scale–a European case study
carbon budget terrestrial ecosystems country-scale
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2010/1/12
We summed estimates of the carbon balance of forests, grasslands, arable lands and peatlands to obtain country-specific estimates of the terrestrial carbon balance during the 1990s. Forests and grassl...