EPS-SG Candidate Observation Missions

Transcription

1 EPS-SG Candidate Observation Missions 3 rd Post-EPS User Consultation Workshop Peter Schlüssel Slide: 1

2 EPS-SG benefits to activities of NMSs Main Payload High-Resolution Infrared Sounding Microwave Sounding Radio Occultation Sounding Enhanced Capabilities +75% information in T- profiles +30% in WP-profiles Enhanced spatial oversampling Large increase of number of radio-occultations Innovative Capabilities More trace gases and their vertical profiles Applications Benfitting NWP, NWC, AC, CM NWP, NWC Tracking of Galileo signals NWP, CM Nadir viewing UV/VIS/NIR/SWIR Sounding VIS/IR Imaging Drastic increase of spatial resolution Better radiometric and spatial resolution Additional trace gas measurements; CO 2 being studied Far more variables measured with higher accuracy Air Quality, CM, AC NWC, NWP, CM, Ocean Multi-viewing, -channel, - New mission Aerosol parameters Air Quality, CM, NWC polarisation Imaging Scatterometry Higher spatial resolution Cross polarisation for NWP, NWC, Ocean, CM and coverage higher wind speeds Microwave Imaging New mission Precipitation observations NWP, NWC, Hydrology, CM, Ocean Ice Cloud Imaging New mission Cloud microphysics parameters NWP, NWC, Hydrology, CM Slide: 2

3 IAS High-Resolution Infrared Sounding Temperature/humidity profile at high vertical resolution Clouds, trace gases (O 3, CO, CH 4, CO 2,...) Sea/land/ice surface temperature Aerosols, Volcanic Ash Breakthrough IASI, AIRS as IASI Phase-A studies of IASI-NG by CNES Doubling of radiometric resolution of IASI for the benefit of weather forecast 75% more information in temperature profiling, particularly PBL 30 % more information in water vapour profiling Doubling of spectral resolution of IASI for the benefit of atmospheric chemistry Quantification of trace gases which are currently only detected Vertical resolution of trace gases instead of columnar amounts only Slide: 3

4 VII VIS/IR Imaging Hi-res cloud products, incl. microphysics Aerosols Polar AMVs Vegetation, snow, fire Sea/ice/land surface temperature Support to sounding missions AVHRR, MODIS VIIRS, MODIS Consistency with VIIRS for common channels development of METimage by DLR Breakthrough Far more spectral channels ( 20) than AVHRR for the benefit of measuring more variables Higher spatial resolution ( m): more complete coverage through greater likelihood to measure surface variables in partly cloud conditions Better radiometric resolution for more accurate quantification of many variables Slide: 4

5 MWS Microwave Sounding Temperature/humidity profiles in clear and cloudy air Cloud liquid water total column Imagery: precipitation AMSU-A, MHS as AMSU/A, MHS horizontal resolution as ATMS NOAA ATMS as baseline ESA development in Phase A as option Evolution Addition of a quasi-window channel at 229 GHz Cirrus cloud information Higher spatial oversampling compared to AMSU-A and MHS: noise reduction More information on temperature and water vapour profiles Slide: 5

6 SCA Scatterometry ocean surface wind vectors soil moisture snow equivalent water sea-ice type ASCAT as ASCAT ESA development Breakthrough Increase of spatial resolution to 25 km Better approach of coast lines Increase of swath width to >1100 km Enhanced coverage Addition of VH polarisation Covers higher wind speeds without saturation, will benefit observation of tropical and extra-tropical storms Slide: 6

7 RO Radio Occultation Sounding Refractivity profiles at high vert. resolution Temperature / humidity profiles PBL top and tropopause height Ionospheric electron content GRAS, COSMIC GRAS (instrument), COSMIC (coverage) ESA development for Metop-SG Virtual constellation Metop-SG and Cosmic f/o Breakthrough Tracking of GPS and Galileo satellites to double the number of occultation measurements Equipment of both Metop-SG satellites with RO in case of a dual satellite configuration Slide: 7

8 UVNS Nadir Viewing UV/VIS/NIR/SWIR Sounding Ozone profile and column Columns of CO 2,SO 2, NO 2, H 2 O, CO, CH 4, Aerosol optical depth Columns of BrO, HCHO, OCHCHO Volcanic Plumes GOME-2, SCIAMACHY, OMI GMES Sentinel-5 to be embarked on Metop-SG, ESA development synchronised with EPS-SG Breakthrough XX XX Drastically increased spatial resolution (7 km) for the benefit of air quality monitoring Extended spectral range into the near and shortwave infrared regions to measure aerosols as well as methane and carbon monoxide in the PBL X Slide: 8

9 MWI Microwave Imaging of a new mission precipitation and cloud products water vapour profiles and imagery sea-ice, snow, sea surface wind RSS (2011) Cloud Liquid Column mm Breakthrough: 19 channels SSM/I(S), AMSR-E 4 spectral channels as SSM/I ( GHz) ESA development Continuity of key microwave imager channels for weather forecast Inclusion of dedicated sounding channels Enhanced precipitation measurements through inclusion of dedicated sounding channels Extension towards 183 GHz water-vapour and cloud profiling Slide: 9

10 3MI: Multi-Viewing Multi-Channel Multi-Polarisation Imaging of a new mission Aerosol optical thickness, particle size, type, height, absorption Volcanic Ash Cloud phase, height, optical depth Surface albedo POLDER PARASOL Kaufman et al. (2002) Breakthrough: Enhanced spatial resolution (4 km) Improves separation of cloudy areas as POLDER ESA development 11 spectral channels, extending into the UV and SWIR Better aerosol characterisation Higher angular resolution (14 views) Better phase function characterisation Slide: 10

11 ICI: Ice Cloud Imaging of a new mission Cloud products, in particular ice clouds Snowfall detection and quantification Water-vapour profiles and imagery Aura-MLS, Odin-SMR (both limb viewing) Conically scanning Nadir-viewing geometry 11 spectral channels GHz ESA development NASA: Aura/MLS Breakthrough: 11 channels Establishes operational ice-cloud imaging mission Support of weather forecast, hydrology, and climate monitoring Slide: 11

12 RER Radiant Energy Radiometry Outgoing longwave and shortwave radiant energy at top of atmosphere NASA (2010) ERBE, CERES as CERES Continuity: Key radiation measurements for climate monitoring NOAA may provide CERES (-like) instrument to be embarked on Metop-SG Slide: 12

13 LLI Low Light Imaging Night-time cloud imagery under moon-light Dust storm tracking Snow mapping Benefit complement thermal infrared imagery at night OLS on US DMSP VIIRS on NPP/JPSS as OLS NOAA may provide LLI instrument to be embarked on Metop-SG Continuity: Thick Stratus Miller et al. (2010) Thin Cirrus Low-light imagery as obtained from DMSP satellites Slide: 13

14 Synergy of observation missions Observation missions are highly complementary Co-registration of measurements will allow to optimise the information extraction Synergy to be considered in payload distribution of a dual satellite configuration Essential co-registrations IAS VII UVNS MWI - ICI Desired co-registrations IAS MWS VII 3MI IAS UVNS 3MI MWI SCA VII Slide: 14