Page 1 - HydrographyReadMe

Hydrography

Table of Contents

Hydrography ............................................................................................................................................... 1

Introduction ................................................................................................................................................. 3
Environmental Limits ................................................................................................................................. 4

Hydrography Methods and Evaluation of Data Quality ..................................................................... 5
Temperature and Salinity ..................................................................................................................... 5

Chlorophyll .............................................................................................................................................. 6

Dissolved Oxygen .................................................................................................................................. 7
Secchi Depth ........................................................................................................................................... 8

Citing our Figures ....................................................................................................................................... 9

Mean Conditions in the Strait of Georgia ............................................................................................ 10
Time-depth plots of mean and regional variation (by year) ............................................................ 13

Mean Strait of Georgia Conditions for all years .............................................................................. 13

Mean Strait of Georgia Conditions by Year .................................................................................... 14
Temperature by Region for All Years .................................................................................................16

Salinity by Region for All Years ........................................................................................................... 18
Chlorophyll by Region for All Years .................................................................................................. 20

Chlorophyll by Region for All Years ................................................................................................... 22
Maps of Seasonal Variation (by Year) .................................................................................................. 24

Depth Integrated Chlorophyll and Secchi Depth ........................................................................... 24

Depth Integrated Temperature and Salinity ................................................................................... 25
Hydrography Profiles (Binned by Month) ............................................................................................ 26

Temperature and Salinity ................................................................................................................... 26

Chlorophyll and Dissolved Oxygen ................................................................................................... 27
Time-Depth Plots of Regional Interannual Variation ......................................................................... 28

Full Water Column ................................................................................................................................ 28

Full Water Column: Anomalies from Mean Seasonal Climatology (2015-2023) ....................... 28