**Appendix II: Some examples of HARTT analysis graphs from the selected bores in the study areas**

**Appendix II a: HARTT analysis graph for Bore 59539 (from Werribee Plains)** 

**Appendix II c: HARTT analysis graph for Bore 59531 (from Werribee Plains)** 

Changes in Groundwater Level Dynamics in Aquifer Systems –

**Plain)** 







**Depth (m)**


0

1

2

**Plain)** 

**Depth (m)**

Implications for Resource Management in a Semi-Arid Climate 97

**Water levels with accumulative annual residual rainfall for BA076 (0 months delay)**

Effect of rainfall Linear (Water level BA076)

Long-term trend with ARR Water level BA076 Fitted for all monthly intervals

**Bore on the Cape Flats sands (Cenozoic sediments)**

Jan-83 Jan-88 Jan-93 Jan-98 Jan-03 Jan-08

Jan-77 Jan-82 Jan-87 Jan-92 Jan-97 Jan-02 Jan-07

**Appendix II g: HARTT analysis graph for BA083 (from Cape Flats, Philippi-Mitchells** 

**Water levels with accumulative annual residual rainfall for BA083 (0 months delay)**

Long-term trend with ARR Water level BA083 Fitted for all monthly intervals

**Bore on the Cape Flats sands (Cenozoic sediments)**

Effect of rainfall Linear (Water level BA083)




0

1

2

**Effect of Rain (m)**

3

4

5

**Effect of Rain (m)**

**Appendix II f: HARTT analysis graph for BA076 (from Cape Flats, Philippi-Mitchells** 

#### **Appendix II d: HARTT analysis graph for Bore 112802 (from Werribee Plains)**

**Water levels with accumulative monthly residual rainfall for B112802 (11.9-16.3m) (0 months delay)**

Water level B112802 (11.9-16.3m) Fitted for all monthly intervals Effect of rainfall Linear (Water level B112802 (11.9-16.3m))

**Bore on the Werribee Plain (Deltaic Sediments)**

Jan-92 Jan-95 Jan-98 Jan-01 Jan-04 Jan-07 Jan-10

**Appendix II e: HARTT analysis graph for BA002 (from Cape Flats, Philippi-Mitchells** 

**Water levels with accumulative annual residual rainfall for BA002 (2 months delay)**

Long-term trend with ARR Water level BA002 Fitted for all monthly intervals

**Bore on the Cape Flats sand (Cenozoic sediments)**

Effect of rainfall Linear (Water level BA002)

Jan-81 Jan-86 Jan-91 Jan-96 Jan-01 Jan-06 Jan-11




0

0.2

**Effect of Rain (m)**

0.4

0.6

0.8


0

1

2

**Effect of Rain (m)**

3

4

5

**Appendix II d: HARTT analysis graph for Bore 112802 (from Werribee Plains)** 


**Plain)** 






**Depth (m)**




0




**Depth (m)**



0

## **Appendix II f: HARTT analysis graph for BA076 (from Cape Flats, Philippi-Mitchells Plain)**

#### **Appendix II g: HARTT analysis graph for BA083 (from Cape Flats, Philippi-Mitchells Plain)**

Changes in Groundwater Level Dynamics in Aquifer Systems –



**Depth (m)**





**Depth (m)**




0

Implications for Resource Management in a Semi-Arid Climate 99

**Water levels with accumulative annual residual rainfall for DC182 (0 months delay)**

**Bore on the Cape Flats sands (Cenozoic sediments)**

Long-term trend with ARR Water level DC182 Fitted for all monthly intervals

Jan-99 Jan-01 Jan-03 Jan-05 Jan-07 Jan-09 Jan-11

**Water levels with accumulative annual residual rainfall for G30944 (3 months delay)**

Long-term trend with ARR Water level G30944 Fitted for all monthly intervals Effect of rainfall Linear (Water level G30944)

**Bore on the Cape Flats sands (Cenozoic sediments)**

**Appendix II k: HARTT analysis graph for G30944 (from Cape Flats, Atlantis)** 

Jan-83 Jan-88 Jan-93 Jan-98 Jan-03 Jan-08





0

0.5

**Effect of Rain (m)**

1

1.5

2

**Effect of Rain (m)**

**Appendix II j: HARTT analysis graph for DC182 (from Cape Flats, Bellville)** 

Effect of rainfall Linear (Water level DC182)

#### **Appendix II h: HARTT analysis graph for BA084 (from Cape Flats, Philippi-Mitchells Plain)**

**Appendix II i: HARTT analysis graph for BA232 (from Cape Flats, Philippi)** 

**Appendix II h: HARTT analysis graph for BA084 (from Cape Flats, Philippi-Mitchells** 

**Water levels with accumulative annual residual rainfall for BA084 (0 months delay)**

Long-term trend with ARR Water level BA084 Fitted for all monthly intervals

**Bore on the Cape Flats sands (Cenozoic sediments)**

Effect of rainfall Linear (Water level BA084)

Jan-77 Jan-82 Jan-87 Jan-92 Jan-97 Jan-02 Jan-07

**Water levels with accumulative annual residual rainfall for BA232 (0 months delay)**

Long-term trend with ARR Water level BA232 Fitted for all monthly intervals

**Bore on the Cape Flats sands (Cenozoic sediments)**

Jan-99 Jan-01 Jan-03 Jan-05 Jan-07 Jan-09 Jan-11

**Appendix II i: HARTT analysis graph for BA232 (from Cape Flats, Philippi)** 

Effect of rainfall Linear (Water level BA232)



0

0.5

1

**Effect of Rain (m)**

1.5

2

2.5

**Effect of Rain (m)**

**Plain)** 







**Depth (m)**





0

**Depth (m)**

### **Appendix II j: HARTT analysis graph for DC182 (from Cape Flats, Bellville)**

**Appendix II k: HARTT analysis graph for G30944 (from Cape Flats, Atlantis)** 

Changes in Groundwater Level Dynamics in Aquifer Systems –


**9. References** 

Netherlands





**Depth (m)**



0

Implications for Resource Management in a Semi-Arid Climate 101

**Water levels with accumulative annual residual rainfall for WP184 (0 months delay)**

Long-term trend with ARR Water level WP184 Fitted for all monthly intervals Effect of rainfall Linear (Water level WP184)

**Bore on the Cape Flats sands (Cenozoic sediments)**

**Appendix II (n): HARTT analysis graph for WP184 (from Cape Flats, Atlantis)** 

Jan-88 Jan-93 Jan-98 Jan-03 Jan-08

and challenges, *IAHS Red Book Publ.* Vol. 334, pp. 103-113

Taylor & Francis, ISBN 13 : 978-0-415-41167-7, London, UK

Hydrogeologists (IAH), Beijing, China, 9-13 October 2006

Vol. 36, No. 4, (July 2010), pp. 461-474, ISSN 0378-4738

Abidin, H.Z. et al. (2001). Land Subsidence of Jakarta (Indonesia) and its Geodetic

Adelana, S.M.A. (2009). Monitoring groundwater resources in Sub-Saharan Africa: issues

Adelana, S.M.A. (2011). *Groundwater resource evaluation and protection*, LAP LAMBERT Academic Publishing, ISBN-13: 978-3-8443-2369-6, Saarbrücken, Germany Adelana, S.M.A. & Xu, Y. (2006). Contamination and protection of the Cape Flats Aquifer,

Adelana, S.M.A.; Xu, Y. & Adams, S. (2006a). Identifying sources and mechanism of

Adelana, S.M.A.; Olasehinde, P.I. & Vrbka, P. (2006b). A quantitative estimation of

Burke, J.J. (2002). Groundwater for irrigation: productivity gains and the need to manage

Monitoring System. *Natural Hazards* 23:365-387, Kluwer Academic Publishers,

South Africa, In: Groundwater pollution in Africa Y. Xu & B. Usher (Ed.), 265-277,

groundwater recharge in the Cape Flats, South Africa: Implications for sustainable resource management. Proc. XXXIV Congress of the International Association of

groundwater recharge in parts of Sokoto Basin, Nigeria, International Journal Environmental Hydrology, Vol. 14, paper 5, (May 2006), pp.1-17, ISSN 1058-3912 Adelana, S.M.A.; Xu, Y. & Vrbka, P. (2010). An integrated conceptual model for the

development and management of the Cape Flats aquifer, South Africa, Water SA,

hydro-environmental risk, In: *Intensive use of groundwater challenges and opportunities*, R. Llamas & E. Custodio, (Ed.), 478 pp, Balkema, Abingdon, U.K




0

1

**Effect of Rain (m)**

2

3

4

#### **Appendix II (l): HARTT analysis graph for PA20 (from Cape Flats, Atlantis)**

**Appendix II (m): HARTT analysis graph for WP167 (from Cape Flats, Atlantis)** 

## **Appendix II (n): HARTT analysis graph for WP184 (from Cape Flats, Atlantis)**
