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Assessment of the Jabiluka Project : report of the Supervising Scientist to the World Heritage Committee



Assessment of the Jabiluka Project : report of the Supervising Scientist to the World Heritage Committee


Johnston, A.; Prendergast, J. B.; Bridgewater, Peter


E-Publications; E-Books; PublicationNT; Supervising Scientist Report; 138




Alligator Rivers Region

Table of contents

Main report--Appendix 2 of the Main Report. Submission to the Mission of the World Heritage Committee by some Australian Scientists ... --Attachment A. Johnston A. and Needham S. 1999. Protection of the environment near the Ranger uranium mine--Attachment B. Bureau of Meteorology 1999. Hydrometeorological analysis relevant to Jabiluka--Attachment C. Jones, R.N., Hennessy, K.J. and Abbs, D.J. 1999. Climate change analysis relevant to Jabiluka--Attachment D. Chiew, F and Wang, Q.J. 1999. Hydrological anaysis relevant to surface water storage at Jabiluka--Attachment E. Kalf, F. and Dudgeon, C. 1999. Analysis of long term groundwater dispersal of contaminants from proposed Jabiluka mine tailings repositories--Appendix 2 of Attachment E. Simulation of leaching on non-reactive and radionuclide contaminants from proposed Jabiluka silo banks.




Uranium mill tailings - Environmental aspects - Northern Territory - Alligator Rivers Region; Environmental impact analysis - Northern Territory - Jabiluka; Uranium mines and mining - Environmental aspects - Northern Territory - Jabiluka; Jabiluka - Environmental aspects

Publisher name

Environment Australia

Place of publication

Canberra (A.C.T.)


Supervising Scientist Report; 138


1 volume (various pagings) : illustrations, maps

File type






Copyright owner

Environment Australia



Parent handle


Citation address


Related items

https://hdl.handle.net/10070/462403; https://hdl.handle.net/10070/462400; https://hdl.handle.net/10070/462405; https://hdl.handle.net/10070/462406; https://hdl.handle.net/10070/462408; https://hdl.handle.net/10070/462409; https://hdl.handle.net/10070/462411

Page content

i Contents Preface iii Acknowledgements iv 1 Executive summary 1 1.1 Introduction 1 1.2 Issues to be addressed 1 1.3 Summary of findings 2 Hydrological modelling issues 2 Prediction and impact of severe weather events 3 The storage of uranium on the surface 5 Long-term storage of tailings 9 General environmental protection issues 11 1.4 Conclusions 13 2 Introduction 15 2.1 Mining of uranium in the Alligator Rivers Region 15 2.2 World Heritage Bureau Mission to Kakadu 17 2.3 Decision of the World Heritage Committee 18 2.4 Scope of this report 18 3 Hydrological modelling 21 3.1 Introduction 21 3.2 Determination of 1 in 10,000 year annual rainfall 21 3.2.1 Choice of data sets 21 3.2.2 Estimation of the 1:10,000 AEP annual rainfall for Jabiluka 23 3.3 Evaporation from open water 25 3.3.1 Pan factors 26 3.3.2 Inverse relationship between evaporation and rainfall 27 3.4 Evaporation in the mine 29 3.5 Summary of findings on hydrological modelling issues 32 4 Prediction and impact of severe weather events 34 4.1 Introduction 34 4.2 Evidence on past severe weather events in the region 34 4.3 Probable maximum precipitation events 35 4.4 Effect of climate change on hydrological modelling 35 4.4.1 Review of existing information on climate change 36 4.4.2 Climate change analysis for Jabiluka 38 4.5 Summary of findings on severe weather events 43 5 Storage of uranium on the surface 45 5.1 Introduction 45 5.2 Probability of exceedence of retention pond capacity 45 5.2.1 Design criterion 45