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Author Boisserie, M
Title Generation of an empirical soil moisture initialization and its potential impact on subseasonal forecasting skill of continental precipitation and air temperature Type $loc['typeManuscript']
Year 2010 Publication Abbreviated Journal
Volume Issue Pages
Keywords
Abstract The effect of the PAR technique on the model soil moisture estimates is evaluated using the Global Soil Wetness Project Phase 2 (GSWP-2) multimodel analysis product (used as a proxy for global soil moisture observations) and actual in-situ observations from the state of Illinois. The results show that overall the PAR technique is effective; across most of the globe, the seasonal and anomaly variability of the model soil moisture estimates well reproduce the values of GSWP-2 in the top 1.5 m soil layer; by comparing to in-situ observations in Illinois, we find that the seasonal and anomaly soil moisture variability is also well represented deep into the soil. Therefore, in this study, we produce a new global soil moisture analysis dataset that can be used for many land surface studies (crop modeling, water resource management, soil erosion, etc.). Then, the contribution of the resulting soil moisture analysis (used as initial conditions) on air temperature and precipitation forecasts are investigated. For this, we follow the experimental set up of a model intercomparison study over the time period 1986-1995, the Global Land-Atmosphere Coupling Experiment second phase (GLACE-2), in which the FSU/COAPS climate model has participated. The results of the summertime air temperature forecasts show a significant increase in skill across most of the U.S. at short-term to subseasonal time scales. No increase in summertime precipitation forecasting skill is found at short-term to subseasonal time scales between 1986 and 1995, except for the anomalous drought year of 1988. We also analyze the forecasts of two extreme hydrological events, the 1988 U.S. Drought and the 1993 U.S. flood. In general, the comparison of these two extreme hydrological event forecasts shows greater improvement for the summertime of 1988 than that of 1993, suggesting that soil moisture contributes more to the development of a drought than a flood. This result is consistent with Dirmeyer and Brubaker [1999] and Weaver et al. [2009]. By analyzing the evaporative sources of these two extreme events using the back-trajectory methodology of Dirmeyer and Brubaker [1999], we find similar results as this latter paper; the soil moisture-precipitation feedback mechanism seems to play a greater role during the drought year of 1988 than the flood year of 1993. Finally, the accuracy of this soil moisture initialization depends upon the quality of the precipitation dataset that is assimilated. Because of the lack of observed precipitation at a high temporal resolution (3-hourly) for the study period (1986-1995), a reanalysis product is used for precipitation assimilation in this study. It is important to keep in mind that precipitation data in reanalysis sometimes differ significantly from observations since precipitation is often not assimilated into the reanalysis model. In order to investigate that aspect, a similar analysis to that we performed in this study could be done using the 3-hourly Tropical Rainfall Measuring Mission (TRMM) dataset available for a the time period 1998-present. Then, since the TRMM dataset is a fully observational dataset, we expect the soil moisture initialization to be improved over that obtained in this study, which, in turn, may further increase the forecast skill.
Address Department of Meteorology
Corporate Author Thesis $loc['Ph.D. thesis']
Publisher Florida State University
Place of Publication Tallahassee, FL, FL
Editor
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Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 569
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Author Boisserie, M. ; LaRow, T. ; Cocke, S. D. ; Shin, D. W.
Title Comparison of Soil Moisture in the FSU Climate Model Coupled to a Land Model CLM2 to Soil Moisture from NCEP/DOE Reanalysis 2 Type $loc['typeReport']
Year 2005 Publication Abbreviated Journal
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Series Editor Series Title Research Activities in Atmospheric and Ocean Modeling, CAS/JSC Working Group on Numerical Experimentation
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ISSN ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 905
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Author Boisserie, M. ; Shin, D.W. ; LaRow, T.E. ; Cocke, S.
Title Evaluation of soil moisture in the Florida State University climate model-National Center for Atmospheric Research community land model (FSU-CLM) using two reanalyses (R2 and ERA40) and in situ observations Type $loc['typeJournal Article']
Year 2006 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 111
Issue D8
Pages
Keywords land surface models ; soil moisture ; freezing process
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Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 709
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Author Bourassa, M. A.
Title Tehuantepec wind and pressure changes associated with tropical cyclones Type $loc['typeConference Article']
Year 2001 Publication 11th Conference on Interactions of the Sea and Atmosphere, Amer. Meteor. Soc., San Diego, CA, USA Abbreviated Journal
Volume Issue Pages 27-28
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Funding NASA, SEAWINDS, OVWST
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 815
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Author Bourassa, M. A.
Title A Sea Surface Stress Parameterization Dependent on Directional Seastate Type $loc['typeConference Article']
Year 2004 Publication CAS/JSC Working Group on Numerical Experimentation, Research Activities in Atmospheric and Oceanic Modeling Abbreviated Journal
Volume Issue Pages 4.07-4.08
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Publisher World Meteorological Organization
Place of Publication Geneva, Switzerland
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Area Expedition Conference
Funding FYAP, NASA, OSU, ONR, NSF, OVWST
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 884
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Author Bourassa, M. A.
Title Satellite-based observations of surface turbulent stress during severe weather Type $loc['typeJournal Article']
Year 2006 Publication Atmosphere-Ocean Interactions Abbreviated Journal
Volume 2
Issue Pages 35-52
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Publisher Wessex Institute of Technology
Place of Publication Editor Perrie, W.
Language Summary Language Original Title
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Area Expedition Conference
Funding FYAP, NASA, NOAA, NSF
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 914
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Author Bourassa, M. A.
Title The future of wind measurements from space Type $loc['typeMagazine Article']
Year 2009 Publication Space News Abbreviated Journal
Volume Issue Nov. 23
Pages 2
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Call Number COAPS @ mfield @
Serial 672
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Author Bourassa, M. A.
Title Uncertainty in scatterometer derived vorticity Type $loc['typeConference Article']
Year 2009 Publication 2009 IEEE International Geoscience and Remote Sensing Symposium Abbreviated Journal
Volume Issue Pages III-805 - III-808
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Funding OVWST
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 673
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Author Bourassa, MA
Title Interaction between atmospheric stability and mean wave characteristics Type $loc['typeConference Article']
Year 1998 Publication 9th Conference on Interaction of the Sea and Atmosphere at the 78th American-Meteorogical-Society Annual Meeting Abbreviated Journal
Volume Issue Pages 24-27
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Area Expedition Conference 9th Conference on Interaction of the Sea and Atmosphere at the 78th American-Meteorogical-Society Annual Meeting
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 539
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Author Bourassa, MA
Title Shear stress model for the aqueous boundary layer near the air-sea interface Type $loc['typeJournal Article']
Year 2000 Publication Journal of Geophysical Research – Oceans Abbreviated Journal
Volume 105
Issue C1
Pages 1167-1176
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Call Number COAPS @ mfield @
Serial 522
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