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HAMPThe Microwave Package on the
upcomingHALO (high altitude and long range)
research aircraft
Mario Mech1,2, Susanne Crewell1, Gerhard Peters2, Lutz Hirsch2,
and Thomas Rose3
1 University of Cologne, Germany2 Max-Planck Institute Hamburg, Germany
3 Radiometer Physics, Bonn, Germany
What for?
Using active and passive instruments in combination for a more comprehensive view on the cloud and precipitation structure
Validation for GPM
Use in conjunction with the other instruments operated on HALO
...
buisiness jet GulfstreamG550 buisiness jet GulfstreamG550 transformed into research transformed into research
platform for airborne platform for airborne atmospheric science and Earth atmospheric science and Earth
observationsobservations
High Altitude and LOnge - new aircraft of the German atmospheric science
community
Oberpfaffenhofen
10000 km one way
UTLS
Cloud Radar MIRA-36
frequency 36.5 GHz
sensitivity -48 dBZ
vert. res. 30 malong track
res.250/50 m
across track res.
50 m
variables Z,vdoppler,LDR
provided by University of Hamburg
preparative work for the cloud radar
Hamburg 2007/05/13
(Bauer and Goersdorf, 2007)
removing atmospheric plankton (LDR, structure, T)
PMW radiometer specifications
K V W F G
Frequencies
22.24 50.30 90.0 118.75±8
.5 183.31±12.
5 23.04 51.76
118.75±4.2
183.31±7.5
23.84 52.8 118.75±2
.3 183.31±4.5
25.44 53.75 118.75±1
.4 183.31±3.5
26.24 183.31±2.5
27.84 183.31±1.5
31.40 183.31±0.6
FWHM 4.0° 3.5° 2.5° 2.5° 2.5°
K,V G
simulated brightness temperatures
• CRM - Méso-NHCRM - Méso-NH• 5 hydrometeor categories - 5 hydrometeor categories - cloud, cloud ice, snow, cloud, cloud ice, snow, graupel, raingraupel, rain
• CRM - Méso-NHCRM - Méso-NH• 5 hydrometeor categories - 5 hydrometeor categories - cloud, cloud ice, snow, cloud, cloud ice, snow, graupel, raingraupel, rain
• 1-D, plan-parallel RT 1-D, plan-parallel RT modelmodel• spherical particles with spherical particles with frequency-dependent frequency-dependent density/size modification density/size modification (Staelin, 2008)(Staelin, 2008)• emissivity ([l] maps,[o] emissivity ([l] maps,[o] model) model)
• 1-D, plan-parallel RT 1-D, plan-parallel RT modelmodel• spherical particles with spherical particles with frequency-dependent frequency-dependent density/size modification density/size modification (Staelin, 2008)(Staelin, 2008)• emissivity ([l] maps,[o] emissivity ([l] maps,[o] model) model)
OceanLand
Summary & Outlook
cloud radar and selected microwave frequencies seems to have interesting information content
cloud radar and passive microwave components are prepared - to be tested on ground
late 2009 belly pod with MW components will be mounted on the aircraft
2010 first missions
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