NCA-LDAS Noah-3.3 Land Surface Model L4 Trends 0.125 x 0.125 degree V2.0 (NCALDAS_NOAH0125_Trends) at GES DISC
The National Climate Assessment - Land Data Assimilation System, or NCA-LDAS, is a terrestrial water reanalysis in support of the United States Global Change Research Program's NCA activities. NCA-LDAS features high resolution, gridded, daily time series data products of terrestrial water and energy balance stores, states, and fluxes over the continental U.S., derived from land surface hydrologic modeling with multivariate assimilation of satellite Environmental Data Records (EDRs). The overall goal is to provide the highest quality terrestrial hydrology products that enable improved scientific understanding, adaptation, and management of water and related energy resources during a changing climate. This dataset consists of a suite of historical trends in terrestrial hydrology over the conterminous United States estimated for the water years of 1980-2015 using the NCA-LDAS daily reanalysis. NCA-LDAS provides gridded daily outputs from the uncoupled Noah version 3.3 land surface model (LSM) at 1/8th degree resolution forced with NLDAS-2 meteorology (Xia et al., 2012), rescaled Climate Prediction Center precipitation, and assimilated satellite-based soil moisture, snow depth, and irrigation products (Jasinski et al., 2019; Kumar et al., 2019). Trends in annual hydrologic indicators are reported using the nonparametric Mann-Kendall test at p < 0.1 significance. An additional precipitation trend field (annual total), with no significance test applied, is included for comparison purposes. Collectively, these fields represent the bulk of the results presented in Jasinski et al. (2019).
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| Spatial Extent: | Bounding Rectangle: N: 53.0 S: 25.0 E: -67.0 W: -125.0 |
Data Format(s): | Distribution: netCDF |
| Temporal Extent: | Platform(s): | Noah-LSM | |
| Data Center(s): | NASA/GSFC/SED/ESD/GCDC/GESDISC | Instrument(s): | NOT APPLICABLE |
| Version: | 2.0 | ||
- Title: NCA-LDAS Noah-3.3 Land Surface Model L4 Trends 0.125 x 0.125 degree V2.0
- Version: 2.0
- Creator: Jasinski, M.F., J.S. Borak, S.V. Kumar, D.M. Mocko, C.D. Peters-Lidard, M. Rodell, H. Rui, H.K. Beaudoing, B.E. Vollmer, K.R. Arsenault, B. Li, J.D. Bolten, and N. Tangdamrongsub
- Publisher: Goddard Earth Sciences Data and Information Services Center (GES DISC)
- Release Date: 2019-09-30T00:00:00.000Z
- Linkage: https://disc.gsfc.nasa.gov/datacollection/NCALDAS_NOAH0125_Trends_2.0.html
- READ-ME: https://hydro1.gesdisc.eosdis.nasa.gov/data/NCALDAS/NCALDAS_NOAH0125_Trends.2.0/doc/README_NCALDAS2.pdf, README Document
- HOW-TO: https://disc.gsfc.nasa.gov/information/howto?tags=hydrology, GES DISC Hydrology How-To Documentation
- GENERAL DOCUMENTATION: https://disc.gsfc.nasa.gov/information/documents?title=Hydrology%20Documentation, GES DISC Hydrology Documentation
Collection Information
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Version Description
NCA-LDAS version 2.0 is an improvement of the previous version (V001) of the dataset. Several scientific improvements were also made, including the data assimilation of SMAP soil moisture, refinements to the data assimilation techniques and error co-variances, and modifications to the irrigation intensity scheme. This trends dataset is based on NCA-LDAS V2.0. -
DOI
10.5067/QFZZBKCO5YJG
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Data Identification
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Processing Level
4
- Quality The data are provisional and subject to change as model improvements are implemented and new input data sets become available.
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Collection Progress
Complete
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Use Constraints
None
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Access Constraints
None
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Title: NCA-LDAS: Overview and Analysis of Hydrologic Trends for the National Climate Assessment
Publication Date: 2019-01-01
Author(s): Jasinski, M. F., J. S. Borak, S. V. Kumar, D. M. Mocko, C. D. Peters-Lidard, M. Rodell, H. Rui, H. K. Beaudoing, B. E. Vollmer, K. R. Arsenault, B. Li, J. D. Bolten, and N. Tangdamrongsub
DOI: 10.1175/JHM-D-17-0234.1
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Title: NCA-LDAS land analysis: Development and performance of a multisensor, multivariate land data assimilation system for the National Climate Assessment
Publication Date: 2019-01-01
Author(s): Kumar, S., M. Jasinski, D.M. Mocko, M. Rodell, J. Borak, B. Li, H. Kato Beaudoing, and C. Peters-Lidard
DOI: 10.1175/JHM-D-17-0125.1
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Title: Quantifying the added value of snow cover area observations in passive microwave snow depth data assimilation
Author(s): Kumar, S.V., et al.
DOI: 10.1175/JHM-D-15-0021.1
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Title: Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes
Author(s): Kumar, S.V., et al.
DOI: 10.5194/hess-19-4463-2015
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Title: Blending satellite-based snow depth products with in situ observations for streamflow predictions in the Upper Colorado River Basin
Publication Date: 2015-01-01
Author(s): Liu, Y., et al.
DOI: 10.1002/2014WR016606
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Title: Assimilation of remotely sensed soil moisture and snow depth retrievals for drought estimation
Publication Date: 2014-01-01
Author(s): Kumar, S.V., et al.
DOI: 10.1175/JHM-D-13-0132.1
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Title: Continental-scale water and energy flux analysis and validation for the North American Land Data Assimilation System project phase 2 (NLDAS-2): 1. Intercomparison and application of model products
Publication Date: 2012-01-01
Author(s): Xia, Y., et al.
DOI: 10.1029/2011JD016048
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Title: Simulating the Effects of Irrigation over the United States in a Land Surface Model Based on Satellite-Derived Agricultural Data
Publication Date: 2010-01-01
Author(s): Ozdogan, M., et al.
DOI: 10.1175/2009JHM1116.1
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Title: Land Information System - An Interoperable Framework for High Resolution Land Surface Modeling
Publication Date: 2006-01-01
Author(s): Kumar, S.V., et al.
DOI: 10.1016/j.envsoft.2005.07.004
Data Dates
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| Last Revision |
Publication References
Related URLs
Other Descriptive Keywords
Ancillary Keywords
- Hydrology
- Climate
- Trends
- Indicators
- National Climate Assessment
ISO Topic Categories
- CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
Acquisition Information
Projects
| Project Short Name | Campaigns | Project Dates |
|---|---|---|
| NCA-LDAS | No campaigns listed. | No dates provided. |
Temporal Information
Spatial Information
Spatial Information
Location Keywords
- CONTINENT
- NORTH AMERICA
Data Centers
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NASA/GSFC/SED/ESD/GCDC/GESDISC
ARCHIVERGoddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA
This data center does not have any addresses listed.
This data center does not have any contact mechanisms listed.
Data Contacts
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Carlee Loeser
Metadata AuthorCarlee Loeser
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Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
Greenbelt, MD 20771
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GES DISC HELP DESK SUPPORT GROUP
Data Center ContactGES DISC HELP DESK SUPPORT GROUP
NASA/GSFC/SED/ESD/GCDC/GESDISC-
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
Greenbelt, MD 20771
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Archive And Distribution Information
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Format: netCDF
Format Type: Native
Media: Online Archive
Average File Size: 6.0 MB
Fees: None