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Project details

Title: Modelling Climate Variability & Change 1997-2000
Id: 1312
Acronym: Modelling Climate Variability & Change
Investigator(s): Stuart Godfrey
CSIRO Oceans & Atmosphere - Hobart [details]

Years: 1997 to 2000
Hierachy: Oceans & Climate Program » Climate Modelling » Ocean Modelling

List of surveys that this project was on. Click on column header to sort.

Use [details] link to view survey details (map, reports, metadata etc) including links to download data.

Survey InvestigatorDescription
FR 07/2000

J.S. Godfrey (CSIRO) To recover nine moorings deployed in July 1999. These should have data on currents and temperatures, from which we should be able to analyse the amount of heat exported out of the region by tidal mixing over a year; indications of the relative roles of tidal mixing and wind-driven upwelling; and relate longshore currents in this region to the better-known Leeuwin Current system, further southwest. In addition we will undertake CTD stations opposite each mooring, mostly to calibrate the temperature and salinity recorders on the moorings. As time permits, we will undertake further CTDs to explore flow and hydrographic features in the Arafura Sea.
FR 06/99

J.S. Godfrey (CSIRO) This information was taken from the Cruise Plan.
Joint Air-Sea Monsoon Investigation in the Bay of Bengal (JASMINE II).
This cruise follows one conducted in May 1999, using the US vessel R/V Ron Brown. The aim of the cruises is to provide information of relevance to a number of questions regarding air-sea interaction in the eastern Indian Ocean, such as:
i) Is air-sea interaction an essential part of the "Intraseasonal Oscillation" events which control the net strength of the monsoon in a given year?
ii) Large currents occur in this region: does this imply that advection is a major part of the heat and freshwater balance?
iii) Can we close heat and freshwater budgets on the timescale of days, over a region a few kilometres wide?
Instruments used include: Radar recorder; Radiosondes; CTD sith 12 bottle rosette; ADCP; Eppley pyranometer; Eppley pyrogeometer; RM Young raingauge; Vaisala balloon launcher; Meterological balloons; Thermosalinograph; XCTD software; probes.
FR 05/99

J.S. Godfrey (CSIRO) This information was taken from the Cruise Plan
on 16 June 1999.
Cruise FR 05/99 will depart Depart Dampier 1000 hrs, Wednesday 14 July, 1999 Arrive Darwin 1100 hrs, Monday 26 July, 1999 via the Ashmore Reef. There will be 8 moorings deployed to collect data to investigate Tidal mixing and the seasonal cycle of the Leeuwin Current. Objectives include to estimate temperatures and currents (both directly and via geostrophy) with a view to (a) testing the closure of mass and heat budgets; (b) documenting the "Rochford Current", examine the probable role of tidal mixing in forming the 50-100m deep internal mixed layers observed in XBT traces near the continental shelf edge, off Darwin; in converting cool inflow to warmer outflow; in removing SST minima contrasts during the summer upwelling regime; and in surveying the predicted regions of intense internal tides.
Locations of moorings include Adele Island-Scott Reef (a continuation of a 4-year time series maintained by AIMS ( Australian Institute of Marine Science)), Inshore from Ashmore Reef and North of Bathurst Island. Instruments on moorings include ADCP; Anderaas; S4 current meters; NBACM, pressure gauges; thermistor chain and Acoustic releases.
FR 02/99

K. Ridgway (CSIRO) Occupy the Brisbane-Fiji section as part of the long-term monitoring of the Tasman-Coral Sea Mass and Heat Transport. Asses our ability to monitor ocean fronts and quantify heat transport using in-situ and satellite data.
See the Cruise Plan for more details.
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