EROS,, To English 1956, 1973, 1984, 1997 Earthshots EORS EROS "USGS National Center for Earth Resources Observation and Science" or the "USGS National Center for EROS" EROS AVHRR EROS Earth Resources Observation and Science 1972723 1 1973 70 1997 500 70 17 1973 1984 1997 1 U 1973 1997 U 1
2
1997 0.5 (1.6km0.8km) EROS EROS 3
4 1997 1997713 20 2 3 5 512 AVHRR 1 7 ( 1999) 2000
5 TM PCA TM TM 4, 3 2 3 (Thermal IR) 6 3 2 3
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AVHRR 1. Population figures are from the Sioux Falls Planning? Office. Source U.S. Census: 1950 52161, 1960 65466,? 1970 72488, 1975 77300. Source S.F. Planning Office:?? 1984 92225, 1 January 1997 115000, 1 January 1998 ( ) 117500. 1956 and 1974 figures are linear interpolations. 2. Sioux Falls Argus Leader, 14 July 1997, p. 1. 3. Lillesand, Thomas M., 1994, Remote sensing and image interpretation, 3rd ed.: New York, Wiley & Sons, p. 572. Thanks to the National Weather Service, Sioux Falls, for the radar images. "The EROS Hailstorm, July 13, 1997" NOAA AVHRR AHVRR by Ron Holmes, NWS, is available at www.crh.noaa.gov/fsd/eros.htm Thanks to KDLT TV, Sioux Falls, for the use of the news footage. Satellite images AVHRR LM1031030007324090 (Landsat 1 MSS, 28 August 1973) LM502903000842420 (Landsat 5 MSS, 29 August 1984) LT5029030009718110 (Landsat 5 TM, 30 June 1997) LT5029030009719710 (Landsat 5 TM, 16 July 1997) AVHRR km A 15 August 1972 false-color Landsat image of AVHRR AVHRR southeastern South Dakota is available as Special Projects Image 402. A 1984 NHAP color-infrared aerial photograph of Sioux Falls is available as Special Projects Image 1529. Several black-and-white aerial photographs? MSS TM of Sioux Falls from 1937 to 1990 are also available as Special Projects Images. Contact EDC Customer AVHRR Services for information and ordering. AVHRR U.S. Geological Survey, 1980 (1955, revision 1980), Sioux Falls: scale 1:250,000. AVHRR U.S. Geological Survey, 1984 (compiled 1964, edition of 1984), State of South Dakota: scale 1:500,000. AVHRR () The 2 September 1956 Soil Conservation Service aerial photograph is from the USDA Aerial Photography Field Office, 2222 West 2300 South Salt Lake City UT 84119, phone 801-975-3503. Frame "9-2-56 VM-1R-94". The photographs of the hailstones and the Landsat 7 antenna were taken by Mike Austad, USGS EROS Data Center, on 14 July 1997. The photographs of the damaged bean field (SE1/4 sec18 T103N R48W) and undamaged bean field (SE1/4 sec14 T103N R49W) were taken by Jim Vogelmann, USGS EROS Data Center, on 16 July 1997. The aerial photograph of EDC was flown on 2 July 1996 by Horizons, Inc., on color negative film, which is now stored at at HAS Images Inc. in Dayton, OH. The radar images are courtesy of the National Weather Service, Sioux Falls, S.D. These are NWS doppler radar refectivityimages, measured in decibels, with the radar pointed one-half-degree upward. "ND" = no data. The television video is courtesy of KDLT TV, Sioux Falls, S.D. This clip was edited from the 5 p.m. newscast of 14 July 1997. 7