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| Titel |
HAMP – the microwave package on the High Altitude and LOng range research aircraft (HALO) |
| VerfasserIn |
M. Mech, E. Orlandi, S. Crewell, F. Ament, L. Hirsch, M. Hagen, G. Peters, B. Stevens |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 7, no. 12 ; Nr. 7, no. 12 (2014-12-20), S.4539-4553 |
| Datensatznummer |
250116001
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| Publikation (Nr.) |
 copernicus.org/amt-7-4539-2014.pdf |
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| Zusammenfassung |
| An advanced package of microwave remote sensing instrumentation has
been developed for the operation on the new German High Altitude
LOng range research aircraft (HALO). The HALO Microwave Package,
HAMP, consists of two nadir-looking instruments: a cloud radar at
36 GHz and a suite of passive microwave radiometers with 26
frequencies in different bands between 22.24 and 183.31 ±
12.5 GHz. We present a description of HAMP's
instrumentation together with an illustration of its potential. To
demonstrate this potential, synthetic measurements for the
implemented passive microwave frequencies and the cloud radar based
on cloud-resolving and radiative transfer model calculations were
performed. These illustrate the advantage of HAMP's chosen frequency
coverage, which allows for improved detection of hydrometeors both
via the emission and scattering of radiation. Regression algorithms
compare HAMP retrieval with standard satellite instruments from
polar orbiters and show its advantages particularly for the lower
atmosphere with a root-mean-square error reduced by 5 and 15%
for temperature and humidity, respectively. HAMP's main advantage is
the high spatial resolution of about 1 km, which is
illustrated by first measurements from test flights. Together these
qualities make it an exciting tool for gaining a better understanding
of cloud processes, testing retrieval algorithms, defining future
satellite instrument specifications, and validating platforms after
they have been placed in orbit. |
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