Accession Number:

ADA209675

Title:

Environmental Measurements in the Beaufort Sea, Spring 1988

Descriptive Note:

Technical rept. 1 Mar-25 Apr 1988

Corporate Author:

WASHINGTON UNIV SEATTLE APPLIED PHYSICS LAB

Report Date:

1989-03-01

Pagination or Media Count:

118.0

Abstract:

This report presents environmental data taken in the spring of 1988 Ice camp APLIS was established and maintained by personnel from the Applied Physics Lab. Univ. of Washington, to support Navy sponsored research and test activities conducted in ICEX 1-88. The environmental data - weather, floe drift, CTD profiles, ice properties, and underwater noise - were gathered primarily to support the analysis of acoustic data obtained by ICEX 1-88 participants. The camp was established on a multiyear floe approximately 350 km north of Prudhoe Bay. The floe was occupied for seven weeks and evacuated on 25 April upon successful completion of test and research objectives. During the period, the floe drifted westward 155 km, driven mainly by the wind. A small amount of rotation accompanied the drift. The camp was established at the edge of a refrozen lead. Multiyear pressure ridges and rubble fields surrounded the lead and the camp. Weather information on air temperature and pressure and on wind direction and speed was recorded several times daily. Many of the research activities at the ice camp involved underwater acoustic propagation. Underwater ambient noise affected the quality of the acoustic data gathered. Sources of the noise included thermal cracking of the ice, ridging, wind-generated waves at open leads, and biological organisms.

Subject Categories:

  • Meteorology
  • Physical and Dynamic Oceanography
  • Snow, Ice and Permafrost
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE