CAMEX-4 AMPR Brightness Temperature (TB)

The Advanced Microwave Precipitation Radiometer (AMPR) remotely senses passive microwave signatures of geophysical parameters from an airborne platform. The instrument is a low noise system which can provide multi-frequency microwave imagery with high spatial and temporal resolution. AMPR data are collected at a combination of frequencies (10.7, 19.35, 37.1, and 85.5 GHz) unique to current NASA aircraft instrumentation. These frequencies are well suited to the study of rain cloud systems, but are also useful to studies of various ocean and land surface processes.

The fourth field campaign in the CAMEX series (CAMEX-4) ran from 16 August to 24 September, 2001 and was based out of Jacksonville Naval Air Station, Florida, and included missions in the Gulf of Mexico, Carribean and Western Atlantic. CAMEX-4 focused on the study of tropical cyclone (hurricane) development, tracking, intensification, and landfalling impacts using NASA-funded aircraft and surface remote sensing instrumentation.

(START DATE: 16 Aug 2001 STOP DATE: 24 Sep 2001)

Reference: Marzano, J., Mugnai, A., Smith, E.A., Xiang, X., Turk, J., and J. Vivekanandan, 1994: Active and Passive Microwave Remote Sensing of Precipitating Storms During CaPE. Part II: Intercomparison of Precipitation Retrievals Over Land from AMPR Radiometer and CP-2 Radar, Meteorology and Atmospheric Physics, Special Issue on Retrieval of Hydrological Variables from Space-based Microwave Instruments, Volume 54, pp.29-51.

Turk, J., Vivekanandan, J., Marzano, F.S., Hood, R.E., Spencer, R.W., and F.J. LaFontaine, 1994: Active and Passive Microwave Remote Sensing of Precipitating Storms During CaPE. Part I: Advanced Microwave Precipitation Radiometer and Polarimetric Radar Measurements and Models, Meteorology and Atmospheric Physics, Special Issue on Retrieval of Hydrological Variables from Space-based Microwave Instruments, Volume 54, pp.3-27.

NASA Information Contact: Michael Goodman, Global Hydrology and Climate Center
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