1 / 10

Antarctic South Pole Site Characteristics

Explore the unique characteristics of the South Pole site, including altitude, surface pressure, and extreme temperatures. Discover data on wind speeds, water vapor columns, and inversion layers, providing valuable insights into this remote location.

rosina
Download Presentation

Antarctic South Pole Site Characteristics

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. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. SouthPole Site Characteristics Altitude: 2,800m (9,300 ft) Surface pressure: 650-680 mb Average winter time temperature: -58 C (-72F) Average winter time windspeed: 6m/s (12 kts) Peak recorded windspeed: 22m/s (45 kts) Median winter time precipitable water vapor column: 0.28mm Deep inversion layer is common in winter 1 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  2. Raw data from May 17, 1995 Radiosonde ascent 2 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  3. Water Vapor Column Annual Cycle From T indications assuming saturation From RH indications Data averaged from years 1961-1999 Ref: Chamberlin, R. A. 2001, JGR-Atmos. 106, 20101 3 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  4. Water vapor column from three submm-sites Ref: Lane, A.P. 1998, in ASP Conf. Ser. 141, 289 4 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  5. Opacity from skydips (492GHz) Increasing Water Vapor Tsky(K) = T0 + h*Tatm(1-exp(-to*Airmass)) Ref: Chamberlin, R.A., Lane A. P., Stark, A. A. 1997, ApJ, 476, 428 5 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  6. Comparison of water vapor column to opacity Winter time interannual variation Ref: Chamberlin, R. A. 2002, in ASP Conf Ser. 266, 172 6 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  7. Comparison of mm-wave opacity at three sites (225 GHz) Cumulative distribution Ref: Radford S. J. & Chamberlin, R. A. 2000, ALMA Memo 334.1 7 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  8. Comparison of submm-wave opacity at three sites (~860GHz) Ref: Peterson J. B, Radford, S. J., et al. 2003, PASP, 115, 383 8 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  9. Comparison of submm-wave opacity stability at three sites (860 GHz) 9 Ref: Peterson J. B, Radford, S. J., et al. 2003, PASP, 115, 383 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

  10. THz atmospheric transmission Ref: Chamberlin, R. A., et al. 2003, in Proc. of SPIE 4885, 609 Chamberlin, R. A., Martin, C. L. 2003, in Proc of AMOS, MEDB, Kihei, Maui, HI 96753 10 mm/submm site properties. RAChamberlin, CSO. May 3, 2004.

More Related