Arlindo is a joint oceanographic research effort of Indonesia and the United States. The name is an acronym for Arus Lintas Indonen, which means 'through flow' in Bahasa Indonesian. The field phase of Arlindo began in 1993 with Arlindo Mixing and continued in 1996 with Arlindo Circulation. These experiments will be followed by Arlindo Monitoring, which is expected to run for 10 years. The data in this report were obtained during the Arlindo Circulation phase of the project.
Arlindo's goals are to resolve the circulation and water mass stratification within the Indonesian Seas, in order to formulate a description of the sources, spreading patterns, inter-ocean transport and dominant mixing processes in the area. Ultimately, these products will be used for
The primary objective of the Arlindo Circulation phase was to resolve the transport and velocity fields across the central passages of the Indonesian Seas. To this end, moorings containing current meters and temperature recorders were placed in Makassar Strait and Lifamatola Strait. The Lifamatola moorings were not recovered, but both Makassar moorings did come back and produced useful data.
The two Makassar moorings were placed in a deep, narrow passage in the Strait (see map). Both moorings carried Aanderaa RCM8 current meters at depths of approximately 200 m, 250 m, 350 m, and 750 m. Makassar 1, which sat in deeper water than Makassar 2, also carried an Aanderaa at 1500 m, and 11 temperature recorders. Both moorings also mounted an upward-looking ADCP at a depth of about 150 m. The data return from these instruments was excellent with the exception of the two ADCPs. Disappointingly, both ADCPs produced gappy time series and failed completely after a few months.
Construction, deployment, and recovery of the moorings, as well as data processing and preparation of this data report, were carried out by the Buoy Group of Oregon State University.
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