搜索结果: 1-15 共查到“地球科学总论 soil”相关记录85条 . 查询时间(0.131 秒)
Elevated warming, ozone have detrimental effects on plant roots, promote soil carbon loss
climate warming ozone AMF soil
2021/8/3
Two factors that play a key role in climate change - increased climate warming and elevated ozone levels - appear to have detrimental effects on soybean plant roots, their relationship with symbiotic ...
“Implementation of a soil albedo scheme in the CABLEv1.4b land surface model and evaluation against MODIS estimates over Australia” published in Geosci. Model Dev., 7, 2121–2140, 2014
a soil albedo scheme the CABLEv1.4b land
2014/12/19
Due to an oversight in the production process, the article “Implementation of a soil albedo scheme in the CABLEv1.4b land surface model and evaluation against MODIS
estimates over Australia” was publ...
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
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...
Response of microbial decomposition to spin-up explains CMIP5 soil carbon range until 2100
microbial decomposition soil carbon
2014/12/19
Soil carbon storage simulated by the Coupled Model Intercomparison Project (CMIP5) models varies 6-fold for the present day. Here, we confirm earlier work showing that this range already exists at the...
Comparing microbial and chemical kinetics for modelling soil organic carbon decomposition using the DecoChem v1.0 and DecoBio v1.0 models
Comparing microbial chemical kinetics modelling soil organic carbon decomposition DecoChem v1.0 DecoBio v1.0 models
2014/12/19
Soil organic matter is a vast store of carbon, with a critical role in the global carbon cycle. Despite its importance, the dynamics of soil organic carbon decomposition, under the impact of climate c...
Estimating soil organic carbon stocks of Swiss forest soils by robust external-drift kriging
Swiss forest soils robust external-drift kriging
2014/12/18
Accurate estimates of soil organic carbon (SOC)
stocks are required to quantify carbon sources and sinks
caused by land use change at national scale.
A variational data assimilation system for soil–atmosphere flux estimates for the Community Land Model (CLM3.5)
data assimilation system soil–atmosphere fl ux estimates
2014/12/18
This paper presents the development and implementation of a spatio-temporal variational data assimilation
system (4D-var) for the soil–vegetation–atmosphere transfer
model “Community Land Model” (CL...
The Community Land Model underestimates land-use CO2 emissions by neglecting soil disturbance from cultivation
Community land model planting harvesting crops planting on soil carbon biogeochemical model cultivation soil carbon
2014/12/18
The Community Land Model (CLM) can simulate planting and harvesting of crops but does not include effects of cultivation on soil carbon decomposition. The biogeochemistry model DayCent does account fo...
Sensitivity analysis and calibration of a soil carbon model (SoilGen2) in two contrasting loess forest soils
Sensitivity analysis calibration soil carbon model two contrasting loess forest soils
2014/12/17
To accurately estimate past terrestrial carbon pools is the key to understanding the global carbon cycle and its relationship with the climate system. SoilGen2 is a useful tool to obtain aspects of so...
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
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...
A Paleoclimate Modeling Experiment to Calculate the Soil Carbon Respiration Flux for the Paleocene-Eocene Thermal Maximum
A Paleoclimate Modeling Experiment Calculate the Soil Carbon Respiration Flux the Paleocene-Eocene Thermal Maximum
2014/10/21
The Paleocene-Eocene Thermal Maximum (PETM) (55 million years ago) stands as the largest in a series of extreme warming (hyperthermal) climatic events, which are analogous to the modern day increase i...
Assessment of Soil Loss of the Dhalai River Basin, Tripura, India Using USLE
Soil Erosion USLE Rainfall Erosivity Predicted Soil Loss
2013/3/11
Soil erosion is one of the most important environmental problems, and it remains as a major threat to the land use of hilly regions of Tripura. The present study aims at estimating potential and actua...
Variations of Natural Soil Salinity in an Arid Environment Using Underground Watertable Effects on Salinization of Soils in Irrigated Perimeters in South Tunisia
Oasis Irrigation Water Superficial Water Table Salinity Drainage Tunisia
2013/3/11
In arid and semi-arid regions, salinity is a serious and chronic problem for agriculture. The aim of this study is to evaluate the hydromorphical and salinity risks, and to evaluate the relationship a...
Spatial Variability of Selected Soil Properties in Relation to Different Land Uses in Northern Kgalagadi (Matsheng), Botswana
Kgalagadi Soils Land-Use Types Variation of Soil Properties
2013/3/11
Spatial variability of selected soil attributes were investigated in the Kgalagadi region. Soil samples were collected along transects at Hukuntsi, Tshane, Lokgwabe and Lehututu at 50 m, 200 m, 500 m,...
Improving the Prediction Accuracy of Soil Mapping through Geostatistics
Soil Maps Geostatistics Soil Properties Prediction Accuracy Cross Validation
2013/3/8
This research aimed to implement and compare the accuracy of different interpolation methods using cross validation errors for interpolating the spatial pattern of soil properties. This paper investig...