APR-2 Dual-frequency Airborne Radar Observations, Wakasa Bay

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Entry ID

NSIDC-0195

Summary

In January and February 2003, the Airborne Second Generation Precipitation Radar (APR-2) collected data in the Wakasa Bay AMSR-E validation campaign over the sea of Japan on board a NASA P-3 aircraft. Data were collected on all P-3 flights that encountered precipitation. APR-2 collected data at 13.405 and 35.605 GHz in a downward-looking, cross-track scanning geometry. The experiment was designed to validate the AMSR-E shallow rain and snow retrievals, and to extend the precipitation database needed to implement a physical validation strategy.

The Level 1 data product consists of the calibrated reflectivity at both 13.405 and 35.605 GHz, as well as the Doppler and linear depolarization ratio (LDR) at 13.405 GHz. Data are available via FTP in binary Hierarchical Data Format (HDF) and browse images.

The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) is a mission instrument launched aboard NASA's Aqua Satellite on 4 May 2002. AMSR-E validation studies linked to rainfall experiments are designed to evaluate the accuracy of AMSR-E precipitation data.

Geographic Coverage

 

Spatial Coordinates:
N: 45°     S: 30°     E: 150°     W: 130°    

Data Set Citation

Dataset Creator: Im, E.
Dataset Title: APR-2 Dual-frequency Airborne Radar Observations, Wakasa Bay
Dataset Release Date: 2004-02-20
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-0195.html

Temporal Coverage

Start Date: 2003-01-14
Stop Date: 2003-02-03

Location Keywords

  • CONTINENT ASIA EASTERN ASIA JAPAN
  • OCEAN PACIFIC OCEAN NORTH PACIFIC OCEAN SEA OF JAPAN

Science Keywords

  • Atmosphere Precipitation Precipitation Amount
  • Atmosphere Precipitation Precipitation Rate
  • Spectral/Engineering Radar Radar Backscatter
  • Spectral/Engineering Radar Radar Imagery
  • Spectral/Engineering Radar Radar Reflectivity

Ancillary Keywords

  • Aircraft
  • AMSR-E
  • Hydrology
  • Japan
  • Ku- band radar
  • Ocean
  • Oceanographic Data
  • Precipitation
  • Precipitation Amount
  • Precipitation Rate
  • Precipitation Total
  • Precipitation Type
  • Radar
  • Rain Over Oceans
  • Wakasa Bay

Platform

  • AIRCRAFT

Instrument

  • PR-2 Second Generation Precipitation Radar

Originating Center

NSIDC

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: 0.3 - 68 MB
Distribution Format: HDF

Distribution Media: FTP
Distribution Size: 112 - 250 KB
Distribution Format: Joint Photographic Expert Group (JPEG) (.jpg)

Personnel

Eastwood Im
Role: INVESTIGATOR
Email: eastwood.im@jpl.nasa.gov
Contact Address:

  • Jet Propulsion Laboratory
  • 4800 Oak Grove Dr.

City: Pasadena
Province or State: CA
Postal Code: 91109
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 Data at NSIDC

VIEW PROJECT HOME PAGE
AMSR-E Validation Data

VIEW PROJECT HOME PAGE
NASA: JPL: Next Generation Precipitation Radar Web site

VIEW PROJECT HOME PAGE
NSIDC DAAC AMSR-E Validation Data Web site

Reference

Durden, S. L., E. Im, F. K. Li, W. Ricketts, A. Tanner, and W. Wilson. 1994. ARMAR: An Airborne Rain Mapping Radar. Journal of Atmos. Oceanic Technol. 11:3 727-737.

Im, E. Durden, S. L. Haddad, Z. S. Sadowy, G. Berkun, A. Huang, J. Lou, M. Lopez, B. C. Rahmat-Samii, Y. Rengarajan. 2000. Second-Generation Spaceborne Precipitation Radar. Geoscience and Remote Sensing Symposium, 2000. Proceedings IGARSS 2000. IEEE 2000 International. vol. 3. pp. 1361-1363.

Kummerow, C., W. Barnes, T. Kozu, J. Shiue. 1998. The Tropical Rainfall Measuring Mission (TRMM) sensor package. Journal Atmosphere Oceanic Technology 15:3 809-817.

Sadowy, G. A., A. C. Berkun, W. Chun, E. Im, and S. L. Durden. 2003. Development of an Advanced Airborne Precipitation Radar. Microwave Journal vol. 46, no. 1, pp. 84-98.

Metadata Name and Version

Metadata Name: CEOS IDN DIF
Metadata Version: 9.7

Creation and Review Dates

DIF Creation Date: 2004-02-20
Last DIF Revision Date: 2013-07-29

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