Islands Trust Area Groundwater Recharge Potential Mapping
· Islands Trust Area · Reports & Publications · 2023
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Topics: Marine & foreshore · Fresh water & aquifers · Governance & budget · Climate & environment — our classification, not the Trust's.
Extracted text (beginning)
Groundwater Recharge Potential
March 31,2023
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Page 1
Project No.22-14
Islands Trust Area
Groundwater Recharge Potential Mapping
Prepared for:
Islands Trust
Prepared by
GW Solutions Inc.
March 31, 2023
Groundwater Recharge Potential
March 31,2023
_____________________________________________________________________________________________________________________________ __
____________________________________________________________________
_______________________________________________________________________________________________________________________________
_________________________________________________________ ____________
Page 2
Project No.22-14
Table of Contents 1
BACKGROUND AND OBJECTIVES .....................................................................................................
.............................. 5
1.1
B
ACKGROUND
..............................................................................................................................
.................................. 5
1.2
O
BJECTIVES AND
S
COPE
..............................................................................................................................
................... 5
2
DATA COMPILATION ..............................................................................................................
........................................... 7
3
DELINEATION OF GROUNDWATER MANAGEMENT REGIONS
..................................................................................... 8
4
METHODOLOGY: GROUNDWATER
RECHARGE POTENTIAL ...................................................................................
.. 10
4.1
D
EFINITION OF
B
EDROCK
L
INEAMENTS
........................................................................................................................... 12
4.2
T
OPOGRAPHIC
W
ETNESS
I
NDEX
...............................................................................................................................
...... 14
4.3
D
ELINEATION OF GROUNDWATER RECHARGE AND DISCHARGE AREAS
................................................................................ 14
4.3.1
Depth to Water Methodology ....................................................................................................
.......................... 15
4.3.2
Remote Sensing/ Satellite Multispectral Image Analysis Methodology ............................................................
... 16
4.4
E
STIMATION OF
R
ECHARGE
C
OEFFICIENTS
...
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