Passive microwave observations of mesoscale convective systems over the tropical Pacific Ocean /

(AMPR) aboard the NASA ER2 during the Tropical Ocean and

Bibliographic Details
Main Author: McGaughey, Gary Rae, 1966-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(AMPR) aboard the NASA ER2 during the Tropical Ocean and
accuracy of microwave rainrate retrievals over the tropical
and stratiform precipitation also appear to contribute to
beamfilling are obvious. A description of brightness
consistency between the 10.7 and 85.5 GHz channels. The
Detailed observations of nadir brightness temperature traces
emission/absorption processes. Strong ice scattering is
Experiment (TOGA-COARE). The AMPR measures linearly
footprint is also presented. Similar descriptions could be
footprint of that scale. Brightness temperature
Global Atmosphere Coupled-Ocean Atmosphere Response
ice scattering in regions of stratiform precipitation.
line illustrate the ability of the AMPR data to reveal the
measurements obtained in the western Pacific warm pool
Nadir brightness temperature scatterplots suggest that the
observations of convection over the tropical oceans, and were
Observations within stratiform regions suggest that -220 K is
obtained from the Advanced Microwave Precipitation Radiometer
oceans.
over land. This is a parently related to the reported weaker
particular, traces through a hurricane eyewall and a squall
passive microwave signatures of heavily raining shallow cloud
polarized radiation at 10.7, 19.35, 37. 1, and 85.5 Ghz.
region. These measurements represent the first comprehensive
relationships become more linear, though the scatter is not
relatively rare, as absolute magnitudes of the ice scattering
responsible, in part, for the observed poor degree of
signature do not approach those measured in strong convection
significantly reduced. The effects of nonhomogeneous
smaller and/or fewer ice particles in the upper cloud.
suggested that this observed tilt of convective lines is
temperature variability within the simulated satellite
the minimum 85.5 GHz brightness temperature associated with
This paper presents high resolution passive microwave
this poor degree of consistency. The AMPR data are averaged
three lower frequencies respond primarily to
through several strong convective systems are examined. In
tilt of convective systems away from the vertical. It is
to a 24 km resolution, in order to simulate a satellite
updraft velocities, which would create and suspend relatively
used to develop a beamfilling correction to increase the
Item Description:"Major subject: Meteorology".
Vita.
Physical Description:ix, 74 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.