Territory Stories

Electronic Data Collection and Analysis System

Details:

Title

Electronic Data Collection and Analysis System

Creator

Yin Foo, Des; Foley, Margaret

Collection

E-Publications; PublicationNT; E-Books; Report ; 39/1992

Date

1992-08-01

Description

Made available via the Publications (Legal Deposit) Act 2004 (NT).

Notes

Date:1992-08

Language

English

Publisher name

Power and Water Authority

Place of publication

Darwin

Series

Report ; 39/1992

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/229024

Citation address

https://hdl.handle.net/10070/673447

Page content

Technical Report WRD92039 Viewed at 15:07:17 on 29/07/2010 Page 154 of 192. case, the basic procedure will remain the same, with some additional processing required to find the parameters of a best curve fit (to a True Depth . v . Logged Depth plot) through the data obtained as described above and these parameters used for the recalibration. (i) Finding the recalibration parameters: The ~ecalibration parameters are offset (0) which can be used to convert the the manually acquired data (M) (which is "true" data), by the relationship the slope (s) and logged data (L) to taken to be the M = s*L + 0 sand 0 are the slope and offset of the "best straight line through the data obtained on a plot of the Manually recorded data against the Logged data. Once sand 0 are known they can be used to calculate corracted calibration parameters to be entered in the logger or as factors to be applied to data subsequently collected by the system as in C2.4. Method 1 - using 'DATMAN' : See also an example in Appendix D (i) Use 'LOGIN' to create a file of the manually recorded depths and read the logged and manual data into the programme. (ii) Examine the data at a large enough scale to see any anomalies (e.g. caused by an incorrectly recorded time). If there is doubt about any data point (Le. if it is significantly different to the general pattt=rn) the manual reading for that time should be discarded so that point is not included in the calculation of sand o. Alternatively a third data set 'nay be created as the difference of the two data


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