Passive Spectrum, Environmental Satellites and Scientific Users�Opportunities to Catalyze Coexistence���Catalyzing Coexistence: NRDZ Workshop�Green Bank Observatory�10 September 2024�
Prepared by:
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WHAT IS THE WEATHER ENTERPRISE?
The sectors that contribute to the science of weather -- academia, government, industry & supporting organizations
Private Sector Weather Companies
State / Local Government Agencies
Environmental Satellite/ Technology Manufacturers
American Geophysical Union (AGU)
American Meteorological Society (AMS)
Science Agency Government Contractors.
Weather Broadcasters
Certified Consulting Meteorologists (and other consultants)
American Weather and Climate Industry Association (AWCIA)
National Weather Association (NWA)
Weather Affected Industries (Agriculture, Energy)
Universities / Colleges
FFRDCs (federally funded R&D centers)
Federal Government Agencies
Terminology developed by the U.S. National Academy of Sciences in early 2000s, embraced by the AMS, NOAA and other entities.
USG Environmental Satellites with Passive Sensors
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NASA
NOAA | DoD | NASA |
Civil | Defense | Civil |
Operational | Operational | Research |
| Key Partners (grants) | |
NOAA Cooperative Institutes
|
| Research Opportunities in Space and Earth Science (ROSES) |
Passive Observations: �Critical to Forecast Accuracy
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Flooding in New Brunswick, NJ following Hurricane Ida, September 2, 2021
Credit: Sarah J Lee, istock
Passive Data & Weather Forecasts
“Space-based radiometers use the radio spectrum noise floor to measure the weak emissions of the atmosphere. From these data, temperature, water vapor and other values may be determined.”
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Source: Testimony by David Lubar to U.S. House of Representatives; Hearing of the Science, Space & Technology Committee; July 2021
Passive Sensors in Action: Hurricane Harvey
This video time loop from 24-27 August 2017 SHOWS a rain rate product using passive microwave data from the ATMS sensor on the SNPP satellite.
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Credit: NOAA NESDIS/STAR MiRS team: Chris Grassotti, S. Liu, J. Chen, Q. Liu
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WSF-M
(MWI)
DoD
19.350 GHz
22.235 GHz
37 GHz
50.3 GHz
50.5 GHz
52.8 GHz
53.2 GHz
53.596 GHz
54.35 GHz
54.4 GHz
54.9 GHz
55.5 GHz
57.290 GHz
58.4 GHz
58.825 GHz
59.4 GHz
60.793 GHz
63.283 GHz
91.655 GHz
150 GHz
183.31 GHz
JPSS
(ATMS)
NOAA
23.8 GHz
31.4 GHz
50.3 GHz
51.76 GHz
52.8 GHz
53.596 GHz
54.4 GHz
54.94 GHz
55.5 GHz
57.290 GHz
89.5 GHz
165.5 GHz
183.31 GHz
POES
(AMSU-A)
NOAA
23.8 GHz | 31.4 GHz | 50.3 GHz | 52.8 GHz |
53.596 GHz | 54.4 GHz | 54.94 GHz |
55.5 GHz | 57.290 GHz | 89 GHz |
157 GHz | 183.31 GHz | 190.311 GHz
SNPP
(ATMS)
NASA
Radiometer Sensors on U.S. Operational Environmental Satellites
10.85 GHz | 18.85 GHz | 23.8 GHz |
36.75 GHz | 37.3 GHz | 89 GHz |
DMSP
(SSMIS)
DoD
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Source: Subset of table from Final Report of Radio-Frequency Interference (RFI) Workshop, 13-14 September 2018. ECMWF
FREQUENCY INSTRUMENTS APPLICATION AREA
Passive Interference Challenges
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Source: Testimony by David Lubar to U.S. House of Representatives; Hearing of the Science, Space & Technology Committee; July 2021
Passive Observations: �Critical to Forecast Accuracy
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Source: NOAA Ocean Prediction Center
Reflections on �Catalyzing Coexistence
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Need for spectrum research/policy that centers science use cases
Reflections on �Catalyzing Coexistence
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Need for spectrum research/policy that centers science use cases
Trust is hard
Reflections on �Catalyzing Coexistence
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Need for spectrum research/policy that centers science use cases
Trust is hard
Let’s keep overlapping universes for greater action on NRDZs
Passive Spectrum, Environmental Satellites and Scientific Users�Opportunities to Catalyze Coexistence���Catalyzing Coexistence: NRDZ Workshop�Green Bank Observatory�10 September 2024�
Prepared by: