Observed Changes in Oceanic Climate and Sea Level

1
Observed Changes in Oceanic Climate and Sea Level
Primary Source IPCC WG-I Chapter 5 -
Observations Oceanic Climate Change and Sea
Level
2
Ocean Temperature Observations

• Observations per 1 box
• red gt 20
• green 2-5
• blue 1

3
Tide Gauge Distribution
(for sea level)
4
Ocean Heat Content
(upper 700 m)
(upper 750 m)
PDO reversal?
5
Trends in Ocean Heat Content
(1955-2003)
Red gt 0.25 W m-2 Blue lt - 0.25 W m-2
6
Trends in Zonal Average Temperature
(1955-2003)
Red gt 0.025 C/10-yr Blue lt - 0.025 C/10-yr
7
Energy Content Changes in the Climate System
2003 - 1961
2003 - 1993
8
Changes in Surface Oceanic Dissolved CO2

• Stations
• European Station for Time-series in the Ocean
• Hawaii Ocean Time-Series
• Bermuda Atlantic Time-series Study

9
Ocean Anthropogenic Carbon
10
Annual Average Global Sea Level
Red Reconstructed sea-level fields Blue
Coastal tide gauges Black Satellite altimetry
11
Geographic Trends in Mean Sea Level(2003 - 1993)
Satellite Altimetry
Thermal Expansion
12
Contributions to Global Sea-Level Change
Blue 1961-2003 Brown 1993-2003
13
Schematic of Observed Changes
14
END
Observed Changes in Oceanic Climate and Sea Level