Temperature Increases

Air Annual

Historical, predicted increase, and projected annual air temperature by ecoregion. Predicted increases are for 2050-2099 based on the RCP 8.5 scenario. Predictions are based on the CMIP5 climate models downloaded from the NOAA Climate Web Portal.

No. Ecoregion Air Annual Historical Mean Air Annual Predicted Increase Air Annual Projected Temperature
1 Beaufort Sea - continental coast and shelf -11.66 8.34 -3.32
2 Chukchi Sea -11.44 8.97 -2.47
3 Eastern Bering Sea -0.67 5.56 4.89
4 Aleutian Islands 4.67 3.52 8.19
5 Gulf of Alaska 4.84 3.73 8.57
6 Puget Trough/Georgia Basin 6.96 3.82 10.78
7 North American Pacific Fjordland 7.7 3.32 11.02
8 Oregon, Washington, Vancouver Coast and Shelf 11.12 3.05 14.17
9 Northern California 15.32 2.88 18.2
10 Southern California Bight 19.38 2.78 22.16
11 Cortezian 23.22 3.28 26.5
12 Magdalena Transition 23.32 2.65 25.97
13 Mexican Tropical Pacific 26.15 2.78 28.93

Air Summer

Historical, predicted increase, and projected summer air temperature by ecoregion. Predicted increases are for 2050-2099 based on the RCP 8.5 scenario. Predictions are based on the CMIP5 climate models downloaded from the NOAA Climate Web Portal.

No. Ecoregion Air Summer Historical Mean Air Summer Predicted Increase Air Summer Projected Temperature
1 Chukchi Sea 1.36 5.04 6.4
2 Beaufort Sea - continental coast and shelf 1.69 5.1 6.79
3 Eastern Bering Sea 6.87 4.28 11.15
4 Aleutian Islands 9.24 3.88 13.12
5 Gulf of Alaska 10.17 3.79 13.96
6 North American Pacific Fjordland 12.77 3.52 16.29
7 Puget Trough/Georgia Basin 14.58 4.6 19.18
8 Oregon, Washington, Vancouver Coast and Shelf 15.7 3.46 19.16
9 Northern California 19.19 3.15 22.34
10 Southern California Bight 23.02 2.81 25.83
11 Magdalena Transition 26.42 2.69 29.11
12 Cortezian 27.56 3.36 30.92
13 Mexican Tropical Pacific 27.6 3.02 30.62

Air Winter

Historical, predicted increase, and projected winter air temperature by ecoregion. Predicted increases are for 2050-2099 based on the RCP 8.5 scenario. Predictions are based on the CMIP5 climate models downloaded from the NOAA Climate Web Portal.

No. Ecoregion Air Winter Historical Mean Air Winter Predicted Increase Air Winter Projected Temperature
1 Beaufort Sea - continental coast and shelf -26.14 10.96 -15.18
2 Chukchi Sea -25.52 12.56 -12.96
3 Eastern Bering Sea -8.56 7.73 -0.83
4 Puget Trough/Georgia Basin 0.47 3.72 4.19
5 Gulf of Alaska 0.52 3.89 4.41
6 Aleutian Islands 1.09 3.33 4.42
7 North American Pacific Fjordland 3.45 3.33 6.78
8 Oregon, Washington, Vancouver Coast and Shelf 7.44 2.86 10.3
9 Northern California 12.12 2.66 14.78
10 Southern California Bight 16.31 2.71 19.02
11 Cortezian 19.16 3.1 22.26
12 Magdalena Transition 20.62 2.58 23.2
13 Mexican Tropical Pacific 24.47 2.53 27

SST

Historical, predicted increase, and projected SST temperature by ecoregion. Predicted increases are for 2050-2099 based on the RCP 8.5 scenario. Predictions are based on the CMIP5 climate models downloaded from the NOAA Climate Web Portal.

No. Ecoregion SST Historical Mean SST Predicted Increase SST Projected Temperature
1 Beaufort Sea - continental coast and shelf -1.07 2.29 1.22
2 Chukchi Sea -0.73 2.6 1.87
3 Eastern Bering Sea 3.02 3.56 6.58
4 Aleutian Islands 5.95 3.03 8.98
5 Gulf of Alaska 6.95 3.1 10.05
6 North American Pacific Fjordland 9.77 2.8 12.57
7 Puget Trough/Georgia Basin 11.34 2.15 13.49
8 Oregon, Washington, Vancouver Coast and Shelf 12.39 2.62 15.01
9 Northern California 16.37 2.54 18.91
10 Southern California Bight 20.67 2.4 23.07
11 Magdalena Transition 24.81 2.27 27.08
12 Cortezian 25.71 2.42 28.13
13 Mexican Tropical Pacific 27.64 2.52 30.16

Depth 30

Historical, predicted increase, and projected 30m depth temperature by ecoregion. Predicted increases are for 2050-2099 based on the RCP 8.5 scenario. Predictions are based on the CMIP5 climate models downloaded from the NOAA Climate Web Portal.

No. Ecoregion Depth 30 Historical Mean Depth 30 Predicted Increase Depth 30 Projected Temperature
1 Beaufort Sea - continental coast and shelf -1.4 0.33 -1.07
2 Chukchi Sea -1.09 0.33 -0.76
3 Eastern Bering Sea 1.75 2.82 4.57
4 Aleutian Islands 4.59 2.54 7.13
5 Gulf of Alaska 5.27 3.07 8.34
6 North American Pacific Fjordland 8.11 2.89 11
7 Oregon, Washington, Vancouver Coast and Shelf 10.35 2.74 13.09
8 Northern California 14.94 2.51 17.45
9 Southern California Bight 19.55 2.51 22.06
10 Magdalena Transition 23.79 2.31 26.1
11 Cortezian 24.92 2.4 27.32
12 Mexican Tropical Pacific 26.88 2.43 29.31
13 Puget Trough/Georgia Basin

Depth 100

Historical, predicted increase, and projected 100m depth temperature by ecoregion. Predicted increases are for 2050-2099 based on the RCP 8.5 scenario. Predictions are based on the CMIP5 climate models downloaded from the NOAA Climate Web Portal.

No. Ecoregion Depth 100 Historical Mean Depth 100 Predicted Increase Depth 100 Projected Temperature
1 Chukchi Sea -1.43 0.75 -0.68
2 Beaufort Sea - continental coast and shelf -1.28 0.82 -0.46
3 Eastern Bering Sea 1.89 3.1 4.99
4 Aleutian Islands 3.74 2.33 6.07
5 Gulf of Alaska 4.95 2.77 7.72
6 North American Pacific Fjordland 7.32 2.36 9.68
7 Oregon, Washington, Vancouver Coast and Shelf 9.23 1.95 11.18
8 Northern California 11.96 1.54 13.5
9 Southern California Bight 15.15 1.14 16.29
10 Mexican Tropical Pacific 17.28 1.44 18.72
11 Magdalena Transition 17.29 0.89 18.18
12 Cortezian 17.38 1.89 19.27
13 Puget Trough/Georgia Basin