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 179 of 192. start time (to) less the Logged Head at that time : i.'. LDD = LHO - LH (1) or LDD = (LH - LHO) * -1 (easier for "DATMAN"). (2) (iv) The change in Barometric Pressure at any time (BC) 1S the current Barometric Pressure minus the initial Barometric pressure (at the "start time) l.e. BC = BL - BLO (3 ) (v) When the change 1n Barometric pressure (BC) at a given time is positive, the Logged Head (LH) at that time will be higher by BC than that due to WL alone, which means that the LDD will be too LOW by that amount. => BCDD = LDD + BC and BCLH - LH - BC (4) LDD = LHO - LH ( 1 ) i . e. BCDD = (LHO - LH) + BC (5) D5.3 "DATMAN" PROCEDURE FOR BAROMETRIC CORRECTION: (i) To convert LH to LDD : Read in the logged data (DATA SET, READ, ENTER I ENTER, "filename", ENTER) Call it set "L" ( {L} ); Enter sui table "Information line" ( "I", enter, "Logged Data ... ") ; Decide suitable "start time", tOi set the cursor at this start time (mOve ... ) and expand the horizontal and vertical scales ( Expand HI 5 I E, V,5 ), and check on that to is suitable - i.e. that the logged readings are fairly steady at that time. If not, choose another to, and ~ake sure to include that time in the manual reading file (through LOGIN) as an extra time when the DD was 0 Take the value of {L} at to as LHO; Convert {L} to DD as per (2) above by:


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