Information content and reliability of TOVS estimates of precipitable water /

(BTs) by statistical regression onto collocated Radiosonde

Bibliographic Details
Main Author: Yin, Min, 1969-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(BTs) by statistical regression onto collocated Radiosonde
0.6 g/CM2 root mean square error. The model explains
80% of the variance. A radiative transfer model applied to
about 10% of the variance. Given the resultant 80-85%
and show more detailed features in the PW fields, but they
are overly sensitive to calibration data sets and not easily
are performed for two data sets, and two best-fit models are
atmospheric vertical structures. convective-like soundings.
cannot anticipate the occurrence of erroneous estimations.
channels and partly because of the climate changes during the
chosen. Each model is dominated by different predictors,
component analyses are performed on TOVS channel BTs and RAOB
dry regions and underestimating in wet regions. Principal
enhanced models which also include Outgoing Longwave
method approaches the lower limit accuracy of microwave
model is biased toward the climate mean PW, overestimating in
model is developed from the calibration data set for winters
Observations (RAOBs). All basic models which use only TOVS
observations explain about 75% of the variance. All OLR-
of 1982-1990. The model explains 74% of the variance with
partly because of the high correlations between TOVS-
Precipitable water (PW) is retrieved over the tropical and
Radiation (OLR) as a stratification criterion explain about
RAOB soundings shows that collocation errors may explain
Sounder (TOVS) infrared and microwave brightness temperatures
stationary variance better than transient variance. The
structures for both good and poor estimations so that one
subtropical Pacific Ocean from TIROS-N Operational Vertical
techniques. All OLR-enhanced models capture more variance
temperatures and analyze errors. The model errors and RAOB
temperatures and dew point temperatures to analyze errors.
The model errors are associated with certain atmospheric
time period. For climatological study of PW, a comprehensive
TOVS convective-like soundings. TOVS BTs have similar
transportable to other time periods. Independent regressions
variance explained by all basic models, the statistical
vertical structures. Wet errors are associated with trade
wind inversions, while dry errors are associated with more
Item Description:"Major subject: Meteorology".
Vita.
Physical Description:xi, 108 leaves : illustrations, maps ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.