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Four-dimensional model assimilation of data : a strategy for the earth system sciences / Panel on Model-Assimilated Data Sets for Atmospheric and Oceanic Research, Board on Atmospheric Sciences and Climate, Commission on Geosciences, Environment, and Resources, National Research Council.
- Format:
- Book
- Language:
- English
- Subjects (All):
- Atmospheric models.
- Numerical weather forecasting--United States.
- Numerical weather forecasting.
- Atmospheric circulation--Computer simulation.
- Atmospheric circulation.
- Ocean circulation--Computer simulation.
- Ocean circulation.
- Physical Description:
- 1 online resource (88 p.)
- Edition:
- 1st ed.
- Place of Publication:
- Washington, D.C. : National Academy Press, 1991.
- Language Note:
- English
- Summary:
- This volume explores and evaluates the development, multiple applications, and usefulness of four-dimensional (space and time) model assimilations of data in the atmospheric and oceanographic sciences and projects their applicability to the earth sciences as a whole. Using the predictive power of geophysical laws incorporated in the general circulation model to produce a background field for comparison with incoming raw observations, the model assimilation process synthesizes diverse, temporarily inconsistent, and spatially incomplete observations from worldwide land, sea, and space data acquisition systems into a coherent representation of an evolving earth system. The book concludes that this subdiscipline is fundamental to the geophysical sciences and presents a basic strategy to extend the application of this subdiscipline to the earth sciences as a whole.
- Contents:
- Four-Dimensional Model Assimilation of Data: A Strategy for the Earth System Sciences
- Copyright
- Contents
- Executive Summary
- CONCLUSIONS
- RECOMMENDATIONS
- 1 Introduction
- CONCEPT OF GEOPHYSICAL MODEL DATA ASSIMILATION
- ASSESSMENT OF DATA ASSIMILATION IN ATMOSPHERIC SCIENCES
- DATA ASSIMILATION VIEWED AS PART OF A SYSTEMATIC LEARNING PROCESS
- CURRENT STATUS OF DATA ASSIMILATION
- APPLICABILITY OF DATA ASSIMILATION TO THE EARTH SYSTEM SCIENCES
- 2 Data Assimilation Development
- INTRODUCTION
- PRINCIPLES AND METHODS
- CONTINUOUS DATA INSERTION
- RESEARCH AND DEVELOPMENT IN DATA ASSIMILATION: THE KALMAN FILTERAND ADJOINT METHODS
- 3 Current and Future Applications of Model Assimilation Systems
- GLOBAL ATMOSPHERIC CIRCULATION
- MESOSCALE ATMOSPHERIC CIRCULATIONS
- PHYSICAL OCEANOGRAPHY
- HYDROLOGICAL CYCLE
- Atmospheric Subsystem
- Land Surface Subsystem
- Ocean Surface Subsystem
- GLOBAL PRECIPITATION
- LARGE-SCALE FIELD EXPERIMENTS AND BIOSPHERIC STUDIES
- ATMOSPHERIC CHEMISTRY
- EARTH OBSERVING SYSTEM
- USE OF MODEL-ASSIMILATED DATA SETS FOR RESEARCH
- 4 Needs for the Future for Model-Assimilated Data Sets
- RESEARCH PROBLEMS
- Synotic Systems
- Planetary Waves
- Low-Frequency Variability
- Atmosphere-Ocean Interactions
- Atmosphere-Land Interactions
- Dynamics-Chemistry-Radiation Interactions
- Hydrology
- DATASETS NEEDS BY TIME SCALES
- 0 to 3 Days
- 3 to 10 Days
- 10 to 100 Days
- 100 to 1000 Days
- 1000+ Days
- REQUIREMENTS FOR DATA AND COVERAGE
- General Principles
- General Specifications
- 5 Quality Control and Validation of Observations, Analyses, and Models
- DATA MONITORING
- EPISODIC MODEL REJECTION OF DATA
- VALIDATION OF REMOTELY SENSED EARTH OBSERVING SYSTEM DATA
- VALIDATION OF MODEL-ASSIMILATED ANALYSES
- VALIDATION OF FORECAST MODELS.
- 6 Status of Data Archives, Access, and Future Directions
- AVAILABLE ANALYSES AND OBSERVATIONS
- Atmospheric Analyses
- Ocean Analyses
- Hydrological Analyses
- Paleoclimate Reconstructions
- Surface Observations (Meteorology, Hydrology, Oceanography)
- Upper-Air Data (Meteorology)
- RESOURCES NEEDED FOR ARCHIVING MODEL-ASSIMILATED DATA SETS
- Resources Needed to Prepare Older Observed Data
- ARCHIVE METHODS AND INSTITUTIONAL ARRANGEMENTS
- FUTURE DIRECTIONS
- Access to Model Data and Observations
- Locate More Data at the Scientist's Site
- Software for Data Display and Manipulation
- National Weather Service Modernization Program
- Advances in Computer Technology
- 7 Conclusions and Recommendations
- References
- List of Acronyms.
- Notes:
- Bibliographic Level Mode of Issuance: Monograph
- Includes bibliographical references (p. 70-75).
- ISBN:
- 9786610211685
- 9781280211683
- 1280211687
- 9780309583480
- 0309583489
- 9780585155463
- 0585155461
- OCLC:
- 559501429
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