slide1 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Overview PowerPoint Presentation
Download Presentation
Overview

Loading in 2 Seconds...

play fullscreen
1 / 9

Overview - PowerPoint PPT Presentation


  • 126 Views
  • Uploaded on

Impact Assessment of Potential Hurricane Imaging Radiometer (HIRAD) Tropical Cyclone Observations from Aircraft and Satellite Platforms

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Overview' - tomas


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide1
Impact Assessment of Potential Hurricane Imaging Radiometer (HIRAD) Tropical Cyclone Observations from Aircraft and Satellite Platforms

Robbie Hood, Robert Atlas, M.C. Bailey, Peter Black, Shuyi Chen, Christopher Hennon, Mark James, James Johnson, Linwood Jones, Timothy Miller, Christopher Ruf, David Simmons, Karen Stephens, and Eric Uhlhorn

overview

Univ. of Michigan

NASA

Univ. of Alabama/Huntsville

NOAA

Univ. of Central Florida

Overview

HIRAD Description

HIRAD Design Team

C-band (4-7 GHz) frequencies

Synthetic thinned array radiometer (STAR)

Pushbroom imager

Single polarization for ocean wind speed

Dual polarization for ocean vector wind

HIRAD Development Timeline

sensitivity of windsat 6 8 ghz
Sensitivity of WindSat 6.8 GHz

Based on 2006 H*Wind analysis of Hurricanes Dennis, Katrina, Rita

technical overview
Technical Overview
  • Utilization of NASA Earth Science Office Technologies
  • Synthetic thinned aperture radiometer
  • Digital correlation in field programmable gate array
  • Radio Frequency Interference mitigation
  • Sensor Web information technology

Engineering conceptwith aircraft fixtures

slide5

Observing Systems Simulation Experiment

Results presented by Tim Miller at AMS Annual Meeting (Jan 08) and AMS Hurricane Conference (Apr 08)

HURRICANE FRANCIS NATURE RUN

=20 mm/hr

SIMULATED DATA FROM NATURE RUN

With SFMR With HIRAD (11 km)

Double-headed arrow indicates

HIRAD swath width

slide6

Aircraft OSSE using H*Wind

Nature Run in H*Wind

Simulated without HIRAD

121

109

117

Simulated with HIRAD at 20 km

Simulated with HIRAD at 3 km

125

82

109

slide7

Satellite OSSE using H*Wind

Nature Run in H*Wind

Simulated without HIRAD

121

109

117

Simulated with HIRAD at 350 km

125

82

109

preliminary mission study
Preliminary Mission Study

Example of sensor swath coverage of an Atlantic hurricane (yellow symbol) over a typical 24-hour period. XOVWM swath is red and HIRAD swath is blue.

Performance Characteristics for HIRAD

hirad technology investment roadmap
HIRAD Technology Investment Roadmap

Satellite Demonstration of Improved Hurricane Ocean Surface Vector Winds and Rain Rate

Unmanned Aerial Vehicle Demonstration (optional)

Aircraft Demonstration

Technology Transfer Operational Reconnaissance Hurricane Aircraft (optional)

Technology Brassboard Demonstration in Laboratory