REVIEW OF SNOWY PRECIPITATION ENHANCEMENT RESEARCH

0,52

MB

PROJECT ANNUAL REPORT (FEBRUARY 2005)

47

stron

5045

ID

Natural Resources Commission

2005

rok

Table of Contents

1 Introduction 3

1.1 Compliance with legislation and environmental management plan 3

1.2 Will cloud seeding increase snowfall in the Snowy Mountains? 3

1.3 Will cloud seeding have a significant adverse environmental impact? 4

1.4 Recommendations 5

1.5 Structure of report 6

2 Compliance with legislative obligations 7

2.1 Authorisation 7

2.2 Compliance 8

3 Purpose of the trial 9

4 Will cloud seeding increase snowfall in the Snowy Mountains? 10

4.1 Randomised cloud seeding technique 10

4.2 Chemical marker technique 11

4.3 Conclusion 11

5 Will cloud seeding have a significant adverse environmental impact? 12

5.1 Establishing causal links between cloud seeding and environmental responses 12

5.2 Environmental monitoring focuses solely on ecotoxicity potential 14

5.3 Ecotoxicity survey is not representative of the target area 16

5.4 Ecotoxicity protocols should be refined 18

6 On-ground supervision of the trial 20

7 Conclusions on impact of operations to date 21

7.1 Impact on snow pack depth 21

7.2 Impact on ecotoxicity 22

Attachment 1 List of recommendations and observations 25

Attachment 2 Review of cloud seeding experimental techniques 27

Attachment 3 Review of ecotoxicity survey 30

Attachment 4 Results of ecotoxicity surveys to date 34

Attachment 5 Warne Report 36