Technical Report Series On Global Modeling And Data Assimilation Nasa Tm 104606 Vol 12 Oct 31 1997
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Technical Report Series On Global Modeling And Data Assimilation Nasa Tm 104606 Vol 12 Oct 31 1997
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
Technical Report Series On Global Modeling And Data Assimilation Nasa Tm 104606 Vol 12 Oct 31 1997 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
Technical Report Series On Global Modeling And Data Assimilation Nasa Tm 1998 104606 Vol14 Dec 3 1998
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
Technical Report Series On Global Modeling And Data Assimilation Nasa Tm 1998 104606 Vol14 Dec 3 1998 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
Technical Report Series On Global Modeling And Data Assimilation Volume 6
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-04
Technical Report Series On Global Modeling And Data Assimilation Volume 6 written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-04 with categories.
The Data Assimilation Office (DAO) at Goddard Space Flight Center has produced a multiyear global assimilated data set with version 1 of the Goddard Earth Observing System Data Assimilation System (GEOS-1 DAS). One of the main goals of this project, in addition to benchmarking the GEOS-1 system, was to produce a research quality data set suitable for the study of short-term climate variability. The output, which is global and gridded, includes all prognostic fields and a large number of diagnostic quantities such as precipitation, latent heating, and surface fluxes. Output is provided four times daily with selected quantities available eight times per day. Information about the observations input to the GEOS-1 DAS is provided in terms of maps of spatial coverage, bar graphs of data counts, and tables of all time periods with significant data gaps. The purpose of this document is to serve as a users' guide to NASA's first multiyear assimilated data set and to provide an early look at the quality of the output. Documentation is provided on all the data archives, including sample read programs and methods of data access. Extensive comparisons are made with the corresponding operational European Center for Medium-Range Weather Forecasts analyses, as well as various in situ and satellite observations. This document is also intended to alert users of the data about potential limitations of assimilated data, in general, and the GEOS-1 data, in particular. Results are presented for the period March 1985-February 1990. Suarez, Max J. (Editor) and Schubert, Siegfried and Rood, Richard and Park, Chung-Kyu and Wu, Chung-Yu and Kondratyeva, Yelena and Molod, Andrea and Takacs, Lawrence and Seablom, Michael and Higgins, Wayne Goddard Space Flight Center NASA-TM-104606-VOL-6, REPT-95B00079-VOL-6, NAS 1.15:104606-VOL-6 NAS5-32332...
Global Modeling And Data Assimilation Nasa Tm 104606 Vol 11 Jul 6 1998
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1998*
Global Modeling And Data Assimilation Nasa Tm 104606 Vol 11 Jul 6 1998 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998* with categories.
Technical Report Series On Global Modeling And Data Assimilation Volume 13 Interannual Variability And Potential Predictability In Reanalysis Products
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-04
Technical Report Series On Global Modeling And Data Assimilation Volume 13 Interannual Variability And Potential Predictability In Reanalysis Products written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-04 with categories.
The Data Assimilation Office (DAO) at Goddard Space Flight Center and the National Center for Environmental Prediction and National Center for Atmospheric Research (NCEP/NCAR) have produced multi-year global assimilations of historical data employing fixed analysis systems. These reanalysis products are ideally suited for studying short-term climatic variations. The availability of multiple reanalysis products also provides the opportunity to examine the uncertainty in the reanalysis data. The purpose of this document is to provide an updated estimate of seasonal and interannual variability based on the DAO and NCEP/NCAR reanalyses for the 15-year period 1980-1995. Intercomparisons of the seasonal means and their interannual variations are presented for a variety of prognostic and diagnostic fields. In addition, atmospheric potential predictability is re-examined employing selected DAO reanalysis variables. Min, Wei and Schubert, Siegfried D. and Suarez, Max J. (Editor) Goddard Space Flight Center NASA/TM-97-104606/Vol-13, NAS 1.15:104606-Vol-13, Rept-97A00357-Vol-13 ...
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Technical Report Series On Global Modeling And Data Assimilation Nasa
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Author :
language : en
Publisher:
Release Date : 1998
Technical Report Series On Global Modeling And Data Assimilation Nasa written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Technical Report Series On Global Modeling And Data Assimilation Volume 14 A Comparison Of Geos Assimilated Data With Fife Observations
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-16
Technical Report Series On Global Modeling And Data Assimilation Volume 14 A Comparison Of Geos Assimilated Data With Fife Observations written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-16 with categories.
First ISLSCP Field Experiment (FIFE) observations have been used to validate the near-surface proper- ties of various versions of the Goddard Earth Observing System (GEOS) Data Assimilation System. The site- averaged FIFE data set extends from May 1987 through November 1989, allowing the investigation of several time scales, including the annual cycle, daily means and diurnal cycles. Furthermore, the development of the daytime convective planetary boundary layer is presented for several days. Monthly variations of the surface energy budget during the summer of 1988 demonstrate the affect of the prescribed surface soil wetness boundary conditions. GEOS data comes from the first frozen version of the assimilation system (GEOS-1 DAS) and two experimental versions of GEOS (v. 2.0 and 2.1) with substantially greater vertical resolution and other changes that influence the boundary layer. This report provides a baseline for future versions of the GEOS data assimilation system that will incorporate a state-of-the-art land surface parameterization. Several suggestions are proposed to improve the generality of future comparisons. These include the use of more diverse field experiment observations and an estimate of gridpoint heterogeneity from the new land surface parameterization. Bosilovich, Michael G. and Suarez, Max J. (Editor) and Schubert, Siegfried D. Goddard Space Flight Center...
Technical Report Series On Global Modeling And Data Assimilation Volume 5
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-16
Technical Report Series On Global Modeling And Data Assimilation Volume 5 written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-16 with categories.
A detailed description of the numerical formulation of Version 2 of the ARIES/GEOS 'dynamical core' is presented. This code is a nearly 'plug-compatible' dynamics for use in atmospheric general circulation models (GCMs). It is a finite difference model on a staggered latitude-longitude C-grid. It uses second-order differences for all terms except the advection of vorticity by the rotation part of the flow, which is done at fourth-order accuracy. This dynamical core is currently being used in the climate (ARIES) and data assimilation (GEOS) GCMs at Goddard. Suarez, Max J. (Editor) and Takacs, Lawrence L. Goddard Space Flight Center...
Soil Hydrology Land Use And Agriculture
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Author : Manoj Shukla
language : en
Publisher: CABI
Release Date : 2011
Soil Hydrology Land Use And Agriculture written by Manoj Shukla and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Science categories.
Agriculture is strongly affected by changes in soil hydrology as well as changes in land use and management practices and the complex interactions between them. This book aims to develop an understanding of these interactions on a watershed scale, using soil hydrology models and addresses the consequences of land use and management changes on agriculture from a research perspective. It includes case studies that illustrate the impact of land use and management on various soil hydrological parameters under different climates and ecosystems. It is suitable for researchers and students in soil sc