Physical and Biogeochemical Processes in Antarctic Lakes

Title Page......Page 4
Copyright......Page 5
Contents......Page 6
The Antarctic Research Series: Statement of Objectives
......Page 7
Preface
......Page 9
INTRODUCTION......Page 10
HYDROLOGICAL TYPES OF LAKES IN THE
DRY VALLEYS......Page 18
LAKES ON PERMAFROST......Page 19
LAKE LEVEL RECORDS OF THE
McMURDO SOUND REGION......Page 21
ANNUAL LEVEL CHANGES......Page 27
CONTINUOUS WATER-LEVEL RECORDS......Page 34
ICE COVER MEASUREMENTS......Page 36
SURFACE SEDIMENTS......Page 42
LAKES AGAINST GLACIERS......Page 44
CONCLUSIONS......Page 48
REFERENCES......Page 58
INTRODUCTION......Page 61
BACKGROUND......Page 62
PERENNIAL ICE COVERS......Page 64
EFFECTS OF ICE COVER ON
LAKE ENVIRONMENT......Page 72
CONCLUSIONS......Page 76
REFERENCES......Page 77
BACKGROUND......Page 79
PROCESSES OF SEDIMENTATION IN LAKE
HOARE......Page 81
VARIATIONS AMONG DRY VALLEY LAKES......Page 85
ICE-SEDIMENT INTERACTIONS......Page 87
REFERENCES......Page 88
LITHOLOGY OF LACUSTRINE SEDIMENTS......Page 90
PALEOCLIMATIC IMPLICATIONS......Page 96
ANTARCTIC LAKE AREA VERSUS
GLACIER ICE AREA......Page 99
REFERENCES......Page 100
INTRODUCTION......Page 102
GENERAL FEATURES OF THE McMURDO
DRY VALLEY LAKES......Page 103
MAJOR IONIC COMPONENTS
AND TRACE METALS......Page 106
NUTRIENTS......Page 110
CONCENTRATION PROCESS OF ORGANIC
CARBON......Page 112
ORGANIC COMPOUNDS IN WATERS
AND SEDIMENTS......Page 114
STRATIFICATION OF PHYSICOCHEMICAL
PROPERTIES......Page 119
CONCLUDING REMARKS......Page 120
REFERENCES......Page 121
INTRODUCTION......Page 126
DESCRIPTION OF DRY VALLEY LAKES......Page 127
METHODS......Page 128
RESULTS......Page 130
DISCUSSION......Page 138
REFERENCES......Page 139
CHEMICAL WEATHERING......Page 141
CHEMICAL WEATHERING IN ICE-FREE
VALLEYS OF VICTORIA LAND: EVIDENCE
FROM FE:MN RATIOS......Page 142
ORIGIN OF CA-CL GROUNDWATER BRINES
AND POTENTIAL ROCK-WATER
INTERACTIONS......Page 143
SOURCE OF THE BRINES......Page 146
CONCLUSIONS......Page 147
REFERENCES......Page 148
INTRODUCTION......Page 150
GEOLOGICAL SETTING AND CHEMICAL AND
BIOLOGICAL FEATURES OF LAKE VANDA......Page 151
METHODS......Page 156
RESULTS......Page 157
DISCUSSION......Page 163
CONCLUSIONS......Page 166
REFERENCES......Page 167
INTRODUCTION......Page 169
THE ENVIRONMENT OF OASES......Page 171
STRUCTURE AND FUNCTION
OF BIOLOGICAL COMMUNITIES......Page 181
SYNTHESIS......Page 192
REFERENCES......Page 195
INTRODUCTIONS......Page 200
METHODS......Page 205
RESULTS......Page 206
APPLICATION OF THE VOLLENWEIDER-OECD
EUTROPHICATION MODELING APPROACH......Page 213
CONCLUSIONS......Page 215
REFERENCES......Page 216
Index......Page 218