SMEX02 Balloon-borne Radiosonde Data, Iowa  View Catalog Page Entry ID
NSIDC-0231
Summary
This data set includes radiosonde measurements of upper air temperature and pressure, relative humidity, and wind direction and speed during the balloons' ascent to the upper atmosphere. Radiosonde signals were received and processed by ground equipment, which automatically computed wind speed and direction using global navigation networks. The measurements were taken from 15 June 2002 to 9 July 2002. The site was located in the central watershed area during the Soil Moisture Experiment 2002 (SMEX02). Data are available from NSIDC via FTP.
These data were collected as part of a validation study for the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E). AMSR-E is a mission instrument launched aboard NASA's Aqua Satellite on 04 May 2002. AMSR-E validation studies linked to SMEX are designed to evaluate the accuracy of AMSR-E soil moisture data. Specific validation objectives include assessing and refining soil moisture algorithm performance; verifying soil moisture estimation accuracy; investigating the effects of vegetation, surface temperature, topography, and soil texture on soil moisture accuracy; and determining the regions that are useful for AMSR-E soil moisture measurements.
Geographic Coverage
Spatial Coordinates:
N: 41°
S: 41°
E: -93.61°
W: -93.61°
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Data Set Citation
Dataset Creator: William Eichinger
Dataset Title: SMEX02 Balloon-borne Radiosonde Data, Iowa
Dataset Release Date: 2004-05-04
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Online Resource: http://nsidc.org/data/nsidc-0231.html
Temporal Coverage
Start Date: 2002-06-15
Stop Date: 2002-07-09
Location Keywords
- CONTINENT NORTH AMERICA UNITED STATES OF AMERICA
Science Keywords
- Atmosphere Altitude Station Height
- Atmosphere Atmospheric Pressure Atmospheric Pressure Measurements
- Atmosphere Atmospheric Temperature Air Temperature
- Atmosphere Atmospheric Water Vapor Dew Point Temperature
- Atmosphere Atmospheric Water Vapor Humidity
- Atmosphere Atmospheric Winds Upper Level Winds
- Atmosphere Atmospheric Winds Wind Profiles
- Oceans Ocean Winds Vertical Wind Motion
Ancillary Keywords
- AMSR-E
- Atmospheric Pressure
- Humidity
- Humidity Profiles
- NSIDC
- NSIDC DAAC
- Relative Humidity
- SMEX
- Wind Direction
- Wind Speed
- Wind Velocity
Platform
Instrument
Project
- SMEX02 Soil Moisture Experiments in 2002
Data Set Progress
complete
Originating Center
NSIDC_DAAC
Data Center
NASA DAAC at the National Snow and Ice Data Center
Data Center URL: http://nsidc.org/daac/index.html
Data Center Personnel
Name: NSIDC User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@nsidc.org
Contact Address:
- National Snow and Ice Data Center
- CIRES, 449 UCB
- University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
National Snow and Ice Data Center
Data Center URL: http://nsidc.org
Data Center Personnel
Name: NSIDC User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@nsidc.org
Contact Address:
- National Snow and Ice Data Center
- CIRES, 449 UCB
- University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
Distribution
Distribution Media: FTP
Distribution Size: 324 KB
Distribution Format: ASCII Text
Personnel
William Eichinger
Role: INVESTIGATOR
Contact Address:
- University of Iowa
- IIHR Hydroscience
- IIHR Hydroscience
- University of Iowa
City: Iowa City
Province or State: IA
Postal Code: 52242
Country: usa
NSIDC User Services
Role: TECHNICAL CONTACT
Phone: 1 303 492-6199 x
Fax: 1 303 492-2468 x
Email: nsidc@nsidc.org
Contact Address:
- National Snow and Ice Data Center
- CIRES, 449 UCB
- University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
Related URL
VIEW PROJECT HOME PAGE
AMSR-E Validation
VIEW PROJECT HOME PAGE
Soil Moisture Experiment (SMEX)
Reference
Iowa Institute of Hydraulic Research
Metadata Name and Version
Metadata Name: CEOS IDN DIF
Metadata Version: 9.7
Creation and Review Dates
DIF Creation Date: 2004-05-04
Last DIF Revision Date: 2009-10-08
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