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Warmwassersphaere - handling and processing of hydrographic data

Abstract

This report reviews CTD data handling and the principle of processing for the profiling instrument 'Multisonde' as it is presently in use at the Institut fuer Meereskunde in Kiel, F.R.G., in the frame of the research programme 'Warmwassersphaere'. An introduction to the shipboard system of measuring and logging is given. An outline of both laboratory and in situ calibrations is presented. The main subject of this report is the processing of the data. Possible sources of errors in field measurements and their influence on data accuracy are discussed and the standard processing stages are described. A specific problem lies in data errors, which inhibit a routine processing. In order to edit these data a special filter, the median filter, is introduced. Its efficiency as well as the experiences gained through its practical application is described and discussed by means of comparison with conventional techniques. The data used for these tests were collected during the experiment Nordostatlantik '81.
Authors:
Publication Date:
Jan 01, 1983
Product Type:
Technical Report
Report Number:
NP-4770235
Reference Number:
ERA-09-027229; EDB-84-087227
Resource Relation:
Other Information: Portions are illegible in microfiche products
Subject:
58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES; HYDROLOGY; DATA PROCESSING; DATA ACQUISITION; FEDERAL REPUBLIC OF GERMANY; OCEANOGRAPHY; EUROPE; PROCESSING; WESTERN EUROPE; 580100* - Geology & Hydrology- (-1989); 520100 - Environment, Aquatic- Basic Studies- (-1989)
OSTI ID:
8126898
Research Organizations:
Kiel Univ. (Germany, F.R.). Inst. fuer Meereskunde
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Other: ON: DE84770235
Availability:
NTIS (US Sales Only), PC A05/MF A01; 1.
Submitting Site:
HEDB
Size:
Pages: 93
Announcement Date:
Mar 01, 1984

Citation Formats

Sy, A. Warmwassersphaere - handling and processing of hydrographic data. Germany: N. p., 1983. Web.
Sy, A. Warmwassersphaere - handling and processing of hydrographic data. Germany.
Sy, A. 1983. "Warmwassersphaere - handling and processing of hydrographic data." Germany.
@misc{etde_8126898,
title = {Warmwassersphaere - handling and processing of hydrographic data}
author = {Sy, A}
abstractNote = {This report reviews CTD data handling and the principle of processing for the profiling instrument 'Multisonde' as it is presently in use at the Institut fuer Meereskunde in Kiel, F.R.G., in the frame of the research programme 'Warmwassersphaere'. An introduction to the shipboard system of measuring and logging is given. An outline of both laboratory and in situ calibrations is presented. The main subject of this report is the processing of the data. Possible sources of errors in field measurements and their influence on data accuracy are discussed and the standard processing stages are described. A specific problem lies in data errors, which inhibit a routine processing. In order to edit these data a special filter, the median filter, is introduced. Its efficiency as well as the experiences gained through its practical application is described and discussed by means of comparison with conventional techniques. The data used for these tests were collected during the experiment Nordostatlantik '81.}
place = {Germany}
year = {1983}
month = {Jan}
}