SMEX02 Soil Moisture Atmosphere Coupling Experiment (SMACEX), Iowa

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Entry ID

NSIDC-0232

Summary

This data set contains measurements collected from flights conducted in June and July 2002 over the Walnut Creek watershed in central Iowa, USA. The study was part of the Soil Moisture Experiment 2002 (SMEX02) and the Soil Moisture-Atmosphere Coupling Experiment (SMACEX), run by Canada's National Research Council (NRC). The aircraft carried numerous sensors, and flew several flights per day along six tracks in the watershed area. Parameters for this data set include air pressure and temperature, dew point and radiometric temperature, greenness index, net radiation, CO2 concentration, wind direction and speed, heat flux, and ozone flux.

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: 42°     S: 41.85°     E: -93.5°     W: -93.9°    

Data Set Citation

Dataset Creator: MacPherson, I.
Dataset Title: SMEX02 Soil Moisture Atmosphere Coupling Experiment (SMACEX), Iowa
Dataset Release Date: 2004-05-14
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC DAAC: NASA DAAC at the National Snow and Ice Data Center
Online Resource: http://nsidc.org/data/nsidc-0232.html

Temporal Coverage

Start Date: 2002-06-15
Stop Date: 2002-07-06

Location Keywords

  • CONTINENT NORTH AMERICA UNITED STATES OF AMERICA

Science Keywords

  • Atmosphere Atmospheric Chemistry Carbon and Hydrocarbon Compounds Carbon Dioxide
  • Atmosphere Atmospheric Chemistry Oxygen Compounds Ozone
  • Atmosphere Atmospheric Pressure Atmospheric Pressure Measurements
  • Atmosphere Atmospheric Radiation Heat Flux
  • Atmosphere Atmospheric Radiation Net Radiation
  • Atmosphere Atmospheric Temperature Air Temperature
  • Atmosphere Atmospheric Temperature Surface Air Temperature
  • Atmosphere Atmospheric Winds Flight Level Winds
  • Atmosphere Atmospheric Winds Surface Winds
  • Atmosphere Atmospheric Winds Vertical Wind Motion
  • Atmosphere Atmospheric Winds Wind Profiles
  • Biosphere Vegetation Vegetation Index

Ancillary Keywords

  • Air Temperature
  • AMSR-E
  • Dew point temperature
  • Greenness index
  • Heat Flux
  • Latent Heat Flux
  • Net Radiation
  • Ozone flux
  • SMEX
  • Surface Winds
  • Wind Direction
  • Wind Speed
  • Wind Velocity

Platform

  • AIRCRAFT

Instrument

  • ALTIMETERS
  • CO2 ANALYZERS
  • OMI Ozone Measuring Instrument
  • OXYGEN ANALYZERS
  • TEMPERATURE SENSORS
  • WIND PROFILERS

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: 175 KB
Distribution Format: Microsoft Excel

Personnel

Ian MacPherson
Role: INVESTIGATOR
Contact Address:

  • National Research Council of Canada
  • Flight Research Laboratory
  • Flight Research Laboratory
  • National Research Council of Canada

City: Ottawa
Province or State: Ontario
Postal Code: K1A 0R6
Country: Canada

Mengitsu Wolde
Role: INVESTIGATOR
Contact Address:

  • National Research Council of Canada
  • Flight Research Laboratory
  • Flight Research Laboratory
  • National Research Council of Canada

City: Ottawa
Province or State: Ontario
Postal Code: K1A 0R6
Country: Canada

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
AMSR-E Validation at NSIDC

Reference

http://iar-ira.nrc-cnrc.gc.ca/flight_5.htmlAirborne Atmospheric Research, Remote Sensing and Aeromagnetics

Anderson, M.C. et al. 2003. Comparison of Aircraft- and Tower-Measured Fluxes Acquired During SMACEX with Predictions from a Regional Atmosphere-Land Exchange Model. Proceedings of the 17th Conference on Hydrology, American Meteorological Society. Long Beach, California, Feb. 9-12, 2003.

Kustas, W. P. et al. 2003. An Overview of the Soil Moisture Atmosphere-Coupling Experiment (SMACEX) in Central Iowa. Proceedings of the 17th Conference on Hydrology, American Meteorological Society. Long Beach, California, Feb. 9-12, 2003.

MacPherson, J. I., D.L. Marcotte, and J. E. Jordan. 2001. The NRC Atmospheric Research Aircraft. Canadian Aeronautics and Space Journal IAR 50th Anniversary Issue, Vol. 47, No. 3, pp. 147-157.

MacPherson, J. I. and M. Wolde. 2002. NRC Twin Otter Operations in the Soil Moisture-Atmosphere Coupling Experiment (SMACEX). National Research Council of Canada Report LTR-FR-190. 91 pp.

MacPherson, J. I., M. Wolde, W. P. Kustas, and J. H. Prueger. 2003. Aircraft and Tower-Measured Fluxes over Rapidly Growing Corn and Soy Bean Crops in Central Iowa. Proceedings of the 17th Conference on Hydrology, American Meteorological Society. Long Beach, California, Feb. 9-12, 2003.

Prueger, J. H. et al. 2003. Spatial Variability of Turbulent Fluxes Across a Corn/Soybean Production Region in Central Iowa. Proceedings of the 17th Conference on Hydrology, American Meteorological Society. Long Beach, California, Feb. 9-12, 2003.

Metadata Name and Version

Metadata Name: CEOS IDN DIF
Metadata Version: 9.7

Creation and Review Dates

DIF Creation Date: 2004-05-14
Last DIF Revision Date: 2013-07-03

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