Mech, Mario ORCID: 0000-0001-6229-9616, Orlandi, Emiliano, Crewell, Susanne ORCID: 0000-0003-1251-5805, Ament, Felix, Hirsch, Lutz, Hagen, Martin ORCID: 0000-0003-4714-0775, Peters, Gerhard ORCID: 0000-0001-7989-2141 and Stevens, Bjorn ORCID: 0000-0003-3795-0475 (2014). HAMP – the microwave package on the High Altitude and LOng range research aircraft (HALO). Atmospheric Measurement Techniques, 7 (12). ISSN 1867-8548

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<jats:p>Abstract. 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. </jats:p>

Item Type: Journal Article
CreatorsEmailORCIDORCID Put Code
URN: urn:nbn:de:hbz:38-353166
DOI: 10.5194/amt-7-4539-2014
Journal or Publication Title: Atmospheric Measurement Techniques
Volume: 7
Number: 12
Date: 2014
ISSN: 1867-8548
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Geosciences > Institute for Geophysics and Meteorology
Subjects: Earth sciences
Refereed: Yes


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