Calculating by slide rule
Författare/Upphovsman:
Gene Daniels; Environmental Protection Agency
Kreditera:
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
Kort länk:
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Upplösning:
600 x 407 Pixel (185707 Bytes)
Beskrivning:
LOS ANGELES REACTIVE POLLUTANT PROGRAM (LARPP) — A UNIQUE MULTI-AGENCY AIR POLLUTION RESEARCH STUDY SPONSORED BY THE COORDINATING RESEARCH COUNCIL, A GOVERNMENT-INDUSTRY RESEARCH GROUP.
- USED IN THE PROJECT ARE THERMASONDES (WEATHER-TESTING BALLOONS), "TETROONS (AIRBORNE BUOYS USED TO MARK OFF GIVEN SECTIONS OF AIR FOR STUDY), AND EPA HELICOPTERS FOR TRACING AND TAKING SAMPLES. GROUND LEVEL SAMPLES ARE ALSO TAKEN.
- INFORMATION IS TRANSMITTED BY RADAR. INSIDE U.S. WEATHER SERVICE VANS, PERSONNEL RUN CHECKS ON WEATHER FROM INFORMATION RECEIVED FROM THERMASONDES RELEASED 45 MINUTES BEFORE RELEASE OF TETROONS.
- From the NARA images of California files.
Licens:
Public domain
Licenskommentaren:
This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
Mer information om licensen för bilden finns här. Senaste uppdateringen: Wed, 21 Aug 2024 18:14:19 GMT