Territory Stories

The rum jungle rehabilitation project monitoring report 1993-1998

Details:

Title

The rum jungle rehabilitation project monitoring report 1993-1998

Creator

Pidsley, Sandra

Collection

E-Publications; E-Books; PublicationNT; Report ; 1/2002

Date

2002-07-01

Description

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

Notes

Date:2002-07

Language

English

Publisher name

Dept. of Infrastructure, Planning and the Environment

Place of publication

Darwin

Series

Report ; 1/2002

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/228349

Citation address

https://hdl.handle.net/10070/674273

Page content

LIST OF FIGURES FIGURE 2.1 LOCATION OF THE RUM JUNGLE REHABILITATION SITE................................................................... 11 FIGURE 2.2 RUM JUNGLE SITE PLAN.................................................................................................................. 12 FIGURE 3.1 EARLY WET SEASON HYDROLOGY AT GS8150200 AND GS8150097 (1997-98).............................. 35 FIGURE 3.2 THE DIVERSION CHANNEL AND WEIRS BUILT ON THE EAST FINNISS RIVER TO CONTROL RIVER FLOW...................................................................................................................................... 36 FIGURE 3.3 COMPARATIVE HYDROLOGY GS 8150200 AND GS 8150212 (1993/94) ......................................... 37 FIGURE 3.4 COMPARATIVE HYDROLOGY GS 8150200 AND GS 8150212 (1997/98) ......................................... 37 FIGURE 3.5 COMPARATIVE HYDROLOGY GS 8150212 AND GS 8150213 (1997/98) ......................................... 38 FIGURE 3.6 COPPER LOADS (IN KG) AS ESTIMATED AT GS 8150213, 8150212, 8150200 AND 8150097 FROM 1993/1994 TO 1997/1998 ....................................................................................................... 40 FIGURE 3.7 ANNUAL COPPER LOADS (T) VERSUS ANNUAL DISCHARGED VOLUME (10 6 M 3 )................................. 42 FIGURE 3.8 ANNUAL COPPER LOAD (T) ESTIMATED AT GS 8150097 FROM 1990-1991 TO 1997-1998. ............. 43 FIGURE 3.9 FREQUENCY HISTOGRAM OF THE PREVAILING PH AT GS 8150097 DURING THE PRE REHABILITATION PERIOD (1967-1981) ................................................................................... 44 FIGURE 3.10 FREQUENCY HISTOGRAM OF THE PREVAILING PH AT GS 8150097 DURING THE POST REHABILITATION PERIOD (1990-1995) ................................................................................... 45 FIGURE 3.11 MEAN PH VALUES OF WATER SAMPLES COLLECTED AT GS 8150097 DURING PRE REHABILITATION (1968-1985) AND POST-REHABILITATION (1990-1995) PERIODS CLASSIFIED BY MONTH OF SAMPLING...................................................................................... 46 FIGURE 3.12 FREQUENCY AND CUMULATIVE PERCENT FREQUENCY HISTOGRAM OF COPPER CONCENTRATION VALUES (MG/L) AT GS 8150097 DURING THE PRE-REHABILITATION PERIOD (1968-1981)..... 47 FIGURE 3.13 FREQUENCY AND CUMULATIVE PERCENT FREQUENCY HISTOGRAM OF COPPER CONCENTRATION VALUES (MG/L) AT GS 8150097 DURING THE PERIOD 1990-1995.......................................... 47 FIGURE 3.14 MEAN MONTHLY COPPER CONCENTRATIONS (TOTAL IN MG/L) OF WATER SAMPLES COLLECTED AT GS 8150097 DURING TWO SEPARATE PERIODS: 1968-1985 AND 1990-1995..................... 48 FIGURE 3.15 MEAN MONTHLY COPPER CONCENTRATIONS (TOTAL IN MG/L) OF WATER SAMPLES COLLECTED DAILY AT GS 8150097 FROM DECEMBER 1990 TO JUNE 1995. .............................................. 49 FIGURE 3.16 FREQUENCY AND CUMULATIVE FREQUENCY HISTOGRAM OF ZINC CONCENTRATION (MG/L) AS MEASURED AT GS 8150097 DURING THE PRE-REHABILITATION PERIOD (1968-1981) ............ 50 FIGURE 3.17 FREQUENCY AND CUMULATIVE PERCENT FREQUENCY HISTOGRAM OF ZINC CONCENTRATION (MG/L) AS MEASURED AT GS 8150097 DURING THE POST-REHABILITATION PERIOD (1990 1995)...................................................................................................................................... 51 FIGURE 3.18 FREQUENCY AND CUMULATIVE PERCENT FREQUENCY HISTOGRAM OF MANGANESE CONCENTRATION (MG/L) AS MEASURED AT GS 8150097 DURING THE PRE REHABILITATION PERIOD (1968-1981) ................................................................................... 52 FIGURE 3.19 FREQUENCY AND CUMULATIVE PERCENT FREQUENCY HISTOGRAM OF MANGANESE CONCENTRATION (MG/L) AS MEASURED AT GS 8150097 DURING THE POST REHABILITATION PERIOD (1990-1995) ................................................................................... 52 FIGURE 3.20 CUMULATIVE FLOW AND CUMULATIVE COPPER LOAD AT GS 8150200 AND 8150212 OVER WET SEASON 1997/1998................................................................................................................. 53 FIGURE 3.21 CUMULATIVE AND SPOT COPPER LOADS AT GS 8150200 AND GS 8150212 OVER WET SEASON 1997-1998.............................................................................................................................. 55 FIGURE 3.22 AVERAGE MONTHLY COPPER CONCENTRATIONS (MG/L) AT GS 8150097 AND GS 81500204 DURING THE 1994/1995 WET SEASON (ERROR BARS INDICATE STANDARD DEVIATIONS) ........ 56 FIGURE 3.23 MAP OF THE SAMPLING SITES ALONG THE EAST FINNISS RIVER AND THE LOCATION OF GAUGING STATIONS GS 8150097 AND GS 8150200............................................................... 62 FIGURE 3.24 HYDROLOGY OF LATE WET SEASON FLOW AT GS 8150097 AND GS 8150200 IN 1994................... 63 FIGURE 3.25 WATER QUALITY MEASURES (INCLUDING HEAVY METALS) ALONG THE REACH OF THE EAST FINNISS RIVER AS RECORDED ON SAMPLES COLLECTED 22/04/94 .......................................... 64 FIGURE 3.26 WATER QUALITY MEASURES (INCLUDING SULFATE, CALCIUM & MAGNESIUM) ALONG THE REACH OF THE EAST FINNISS RIVER AS RECORDED ON SAMPLES COLLECTED 22/04/94.......... 65 FIGURE 3.27 LATE WET SEASON (1995) HYDROLOGY AT GAUGE STATIONS GS 8150097 AND GS 8150200....... 67 FIGURE 3.28 VARIATION IN WATER QUALITY MEASURES IN THE EAST BRANCH OF THE FINNISS RIVER WITH DISTANCE DOWNSTREAM FROM RUM JUNGLE ON 15/06/95 .................................................... 68 FIGURE 3.29 NORMALISED METAL CONCENTRATIONS FROM 15 INDIVIDUAL SUB-SAMPLES COLLECTED ON THE 23/03/99.......................................................................................................................... 71


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