[PDF] Top 20 An improved representation of physical permafrost dynamics in the JULES land-surface model
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An improved representation of physical permafrost dynamics in the JULES land-surface model
... The land- scape is formed of ice-wedge polygonal tundra with ponds and thermokarst ...the model developments described above has a notable impact on the JULES ... See full document
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Representation of dissolved organic carbon in the JULES land surface model (vn4.4_JULES-DOCM)
... A physical-based modelling approach explicitly represent- ing different terrestrial sources and processes involved in DOC cycling within the soil column and DOC leaching from the soil can help overcome these ... See full document
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Diagnosing hydrological limitations of a land surface model: application of JULES to a deep groundwater chalk basin
... soil surface due to the chalk weathering process (Ireson, 2008), this is not repre- sented here due to the lack of comprehensive observations of soil moisture dynamics at multiple vertical levels; and the ... See full document
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Improved representation of plant functional types and physiology in the Joint UK Land Environment Simulator (JULES v4.2) using plant trait information
... by land ecosystems due to vegetation mortal- ity resulting from human and natural disturbances, such as changes in land use practices, insect outbreaks, and ...UK Land Environ- ment Simulator ... See full document
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Impact of remotely sensed soil moisture and precipitation on soil moisture prediction in a data assimilation system with the JULES land surface model
... ibrating land surface models with satellite observations im- proves performance when judged against in situ observa- tions (Moradkhani et ...the JULES land surface model at the ... See full document
14
The Joint UK Land Environment Simulator (JULES), model description – Part 2: Carbon fluxes and vegetation dynamics
... of JULES than that described here (version ...includes representation of the effects of ozone on leaf physiology, fur- ther options for the calculation of canopy photosynthesis (op- tions 4 and 5 in Table ... See full document
22
Representation and improved parameterization of reservoir operation in hydrological and land surface models
... eration model includes (1) reservoir physical characteristics such as the volume–level–area relationship and maximum capacity, which are static (in the absence of sedimentation or dam heightening), (2) time ... See full document
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Representation of fire, land-use change and vegetation dynamics in the Joint UK Land Environment Simulator vn4.9 (JULES)
... of land cover, but is generally poorly constrained in land sur- face and carbon cycle ...particular, land-use change and fire can be treated as large-scale disturbances without full ... See full document
15
The importance of a surface organic layer in simulating permafrost thermal and carbon dynamics
... recent model intercompari- son study shows that LSMs need more realistic surface pro- cesses such as an SOL and better representations of sub- soil thermal dynamics (Ekici et ...between ... See full document
11
Simulation of permafrost and seasonal thaw depth in the JULES land surface scheme
... Abstract. Land surface models (LSMs) need to be able to simulate realistically the dynamics of permafrost and frozen ...LSM JULES (Joint UK Land Environment Simula- tor), the ... See full document
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A vertical representation of soil carbon in the JULES land surface scheme (vn4.3_permafrost) with a focus on permafrost regions
... by JULES for the different regions and biomes in the top 2 m of the ...discretized JULES models perform better than the standard models when compared with ...standard model versions and higher than ... See full document
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A vertical representation of soil carbon in the JULES land surface scheme (vn4.3_permafrost) with a focus on permafrost regions
... carbon model has improved the simulated soil carbon distribution for both versions of ...between model and observations and most notable in the northern po- lar regions in ...the permafrost ... See full document
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The Met Office Unified Model Global Atmosphere 6.0/6.1 and JULES Global Land 6.0/6.1 configurations
... model’s representation of the MJO (Madden and Julian, 1971), which is the dominant mode of tropical intraseasonal variability, where large-scale organised convection propagates from the Indian Ocean to the Pacific ... See full document
34
Enhancing the representation of subgrid land surface characteristics in land surface models
... simulates surface fluxes and soil hydrol- ogy that reflect the influence of atmospheric forcing at the higher elevation on land surface processes, leading to im- proved land surface ... See full document
14
The effect of the feedback cycle between the soil organic carbon and the soil hydrologic and thermal dynamics
... a land surface scheme for numerical weather and climate prediction models created by the National Center for Environmental Prediction of the ...the model can be found in Koren et ...the model ... See full document
6
Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model
... the permafrost– carbon feedback (PCF) on the climate system, permafrost processes have received significant attention in the devel- opment of these models during the last ...carbon representation, ... See full document
19
Ca Markov Model for Simulating Land use Land Cover Dynamics in Rufiji Delta of Tanzania
... LULC dynamics, a LULC change in the Markov chain is considered as a stochastic process in which its state at a particular time t is dependent exclusively on the state at previous time step t-1 and not on the ... See full document
13
Simulating the thermal regime and thaw processes of ice-rich permafrost ground with the land-surface model CryoGrid 3
... ground surface is initiated: when the meltwater is removed, the ground subsides, bringing ini- tially deeper layers with excess ground ice in proximity to the thaw ...the permafrost system can return to a ... See full document
24
Present and LGM permafrost from climate simulations: contribution of statistical downscaling
... total permafrost area: ...the permafrost distribution for IPSL-CM4, it remains the best representa- tion with the highest %CP (63 %) and %DP (7 %) for this ...discontinuous permafrost predicted in ... See full document
22
Coupling between the JULES land-surface scheme and the CCATT-BRAMS atmospheric chemistry model (JULES-CCATT-BRAMS1.0): applications to numerical weather forecasting and the CO 2budget in South America
... coupled JULES-CCATT-BRAMS system The JULES surface scheme has been fully coupled to the CCATT-BRAMS modeling system in an online fashion us- ing an explicit ...each model time step, the ... See full document
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