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Title of Journal: Adv Atmos Sci

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Abbravation: Advances in Atmospheric Sciences

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SP Science Press

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DOI

10.1002/mrm.22189

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1861-9533

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Evaluating the tree population density and its imp

Authors: Xiang Song Xiaodong Zeng Jiawen Zhu
Publish Date: 2012/12/19
Volume: 30, Issue: 1, Pages: 116-124
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Abstract

Vegetation population dynamics play an essential role in shaping the structure and function of terrestrial ecosystems However large uncertainties remain in the parameterizations of population dynamics in current Dynamic Global Vegetation Models DGVMs In this study the global distribution and probability density functions of tree population densities in the revised Community Land ModelDynamic Global Vegetation Model CLMDGVM were evaluated and the impacts of population densities on ecosystem characteristics were investigated The results showed that the model predicted unrealistically high population density with small individual size of tree PFTs Plant Functional Types in boreal forests as well as peripheral areas of tropical and temperate forests Such biases then led to the underestimation of forest carbon storage and incorrect carbon allocation among plant leaves stems and root pools and hence predicted shorter time scales for the building/recovering of mature forests These results imply that further improvements in the parameterizations of population dynamics in the model are needed in order for the model to correctly represent the response of ecosystems to climate change

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  1. Study on Microwave Remote Sensing of Atmosphere, Cloud and Rain
  2. The roles of different mechanisms related to the tide-induced fronts in the Yellow Sea in summer
  3. Assessment of erythemal UV level in Nepal based on solar UV estimates from total ozone mapping spectrometer
  4. A “dressed” Ensemble Kalman Filter using the Hybrid Coordinate Ocean Model in the Pacific
  5. The role of land-sea distribution and orography in the asian monsoon. Part I: Land-sea distribution
  6. Improvement of surface albedo simulations over arid regions
  7. On the relationship between climatic variables and pressure systems over Saudi Arabia in the winter season
  8. An updated estimation of radiative forcing due to CO 2 and its effect on global surface temperature change
  9. Temporal variability in fine carbonaceous aerosol over two years in two megacities: Beijing and Toronto
  10. Impacts of land surface and sea surface temperatures on the onset date of the South China Sea summer monsoon
  11. Dominant cloud microphysical processes of a torrential rainfall event in Sichuan, China
  12. Atmospheric angular momentum transport and balance in the AGCM-SAMIL
  13. A case study on the role of water vapor from Southwest China in downstream heavy rainfall
  14. Simulation of a persistent snow storm over southern China with a regional atmosphere-ocean coupled model
  15. Idealized numerical simulations of tropical cyclone formation associated with monsoon gyres
  16. Impacts of snow cover on vegetation phenology in the arctic from satellite data
  17. The impact of verification area design on tropical cyclone targeted observations based on the CNOP method
  18. Coupling a terrestrial biogeochemical model to the common land model
  19. Impacts of future NO x and CO emissions on regional chemistry and climate over eastern China
  20. Change of tropical cyclone heat potential in response to global warming
  21. A modeling study of surface rainfall processes associated with a torrential rainfall event over Hubei, China, during July 2007
  22. Comprehensive study on the influence of evapotranspiration and albedo on surface temperature related to changes in the leaf area index
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  24. Interannual variation of multiple tropical cyclone events in the western North Pacific
  25. Diagnostic analysis of the evolution mechanism for a vortex over the Tibetan Plateau in June 2008
  26. Sensitivity of the warm core of tropical cyclones to solar radiation
  27. Influence of the Tibetan Plateau on the summer climate patterns over Asia in the IAP/LASG SAMIL model
  28. On the variability and correlation of surface ozone and carbon monoxide observed in Hong Kong using trajectory and regression analyses
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  30. Boreal winter rainfall anomaly over the tropical indo-pacific and its effect on northern hemisphere atmospheric circulation in CMIP5 models
  31. The role of changes in the annual cycle in earlier onset of climatic spring in northern China
  32. The impacts of two types of El Niño on global ozone variations in the last three decades
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