Changes
On February 1, 2024 at 11:34:53 AM MST, fritz_griffith:
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Added resource Climate Change Assessment in the Arctic Basin Part 1: Trends and Projections - A Contribution to the Aquatic Climate Change Adaptation Services Program to Climate Change Assessment in the Arctic Basin Part 1: Trends and Projections - A Contribution to the Aquatic Climate Change Adaptation Services Program
f | 1 | { | f | 1 | { |
2 | "Creator": "N. Steiner, K. Azetsu-Scott, P. Galbraith, J. Hamilton, | 2 | "Creator": "N. Steiner, K. Azetsu-Scott, P. Galbraith, J. Hamilton, | ||
3 | K. Hedges, X. Hu, M. Y. Janjua, N. Lambert, P. Larouche, D. Lavoie, J. | 3 | K. Hedges, X. Hu, M. Y. Janjua, N. Lambert, P. Larouche, D. Lavoie, J. | ||
4 | Loder, H. Melling, A. Merzouk, P. G. Myers, W. Perrie, I. Peterson, R. | 4 | Loder, H. Melling, A. Merzouk, P. G. Myers, W. Perrie, I. Peterson, R. | ||
5 | Pettipas, M. Scarratt, T. Sou, M. Starr, R. F. Tallmann and A. van der | 5 | Pettipas, M. Scarratt, T. Sou, M. Starr, R. F. Tallmann and A. van der | ||
6 | Baaren", | 6 | Baaren", | ||
7 | "author": null, | 7 | "author": null, | ||
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10 | "description": "", | 10 | "description": "", | ||
11 | "funding_program": "", | 11 | "funding_program": "", | ||
12 | "geographic_range": [ | 12 | "geographic_range": [ | ||
13 | "NWT" | 13 | "NWT" | ||
14 | ], | 14 | ], | ||
15 | "groups": [], | 15 | "groups": [], | ||
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20 | "local_relevance": "This report summarizes observed trends and | 20 | "local_relevance": "This report summarizes observed trends and | ||
21 | projections on a 50-year timescale for the Arctic, including large | 21 | projections on a 50-year timescale for the Arctic, including large | ||
22 | parts of the NWT such as the Beaufort Sea and the Mackenzie River | 22 | parts of the NWT such as the Beaufort Sea and the Mackenzie River | ||
23 | Basin.", | 23 | Basin.", | ||
24 | "maintainer": null, | 24 | "maintainer": null, | ||
25 | "maintainer_email": null, | 25 | "maintainer_email": null, | ||
26 | "metadata_created": "2024-02-01T18:33:57.163965", | 26 | "metadata_created": "2024-02-01T18:33:57.163965", | ||
n | 27 | "metadata_modified": "2024-02-01T18:33:57.163971", | n | 27 | "metadata_modified": "2024-02-01T18:34:53.272152", |
28 | "metatags": "Marine,Ocean,Trends,Projections,Beaufort Sea,Canadian | 28 | "metatags": "Marine,Ocean,Trends,Projections,Beaufort Sea,Canadian | ||
29 | Polar Shelf,Baffin Bay,Davis Strait,Hudson Bay,Mackenzie River Basin", | 29 | Polar Shelf,Baffin Bay,Davis Strait,Hudson Bay,Mackenzie River Basin", | ||
30 | "modified_date": "2013-01-01", | 30 | "modified_date": "2013-01-01", | ||
31 | "name": "climate-change-assessment-in-the-arctic-basin-part-1", | 31 | "name": "climate-change-assessment-in-the-arctic-basin-part-1", | ||
32 | "notes": "This report summarizes observed trends and projections on | 32 | "notes": "This report summarizes observed trends and projections on | ||
33 | a 50-year timescale for the Beaufort Sea, Canadian Polar Shelf, Baffin | 33 | a 50-year timescale for the Beaufort Sea, Canadian Polar Shelf, Baffin | ||
34 | Bay/Davis Strait, Hudson Bay and Mackenzie Basin.", | 34 | Bay/Davis Strait, Hudson Bay and Mackenzie Basin.", | ||
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37 | "organization": { | 37 | "organization": { | ||
38 | "approval_status": "approved", | 38 | "approval_status": "approved", | ||
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69 | "name": "Climate Change Assessment in the Arctic Basin Part 1: | ||||
70 | Trends and Projections - A Contribution to the Aquatic Climate Change | ||||
71 | Adaptation Services Program", | ||||
72 | "package_id": "0d1f61b5-541b-4e51-a12c-10f043719d3b", | ||||
73 | "position": 0, | ||||
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78 | "https://waves-vagues.dfo-mpo.gc.ca/library-bibliotheque/350169.pdf", | ||||
79 | "url_type": null | ||||
80 | } | ||||
81 | ], | ||||
55 | "state": "draft", | 82 | "state": "draft", | ||
56 | "summary": "Within the Aquatic Climate Change Adaptation Services | 83 | "summary": "Within the Aquatic Climate Change Adaptation Services | ||
57 | Program (ACCASP), past trends and\r\nfuture projections of key | 84 | Program (ACCASP), past trends and\r\nfuture projections of key | ||
58 | climatic variables such as air and water temperature, | 85 | climatic variables such as air and water temperature, | ||
59 | precipitation,\r\nwinds and storms, sea ice and biogeochemical | 86 | precipitation,\r\nwinds and storms, sea ice and biogeochemical | ||
60 | variables are assessed. The assessment forms the\r\nbasis for the | 87 | variables are assessed. The assessment forms the\r\nbasis for the | ||
61 | impact, vulnerabilities, and opportunities analysis needed to increase | 88 | impact, vulnerabilities, and opportunities analysis needed to increase | ||
62 | our\r\nunderstanding of the impacts of climate change on the marine | 89 | our\r\nunderstanding of the impacts of climate change on the marine | ||
63 | ecosystem and departmental\r\noperations and enable adaptation in | 90 | ecosystem and departmental\r\noperations and enable adaptation in | ||
64 | support of DFO\u2019s strategic outcomes. This report\r\nsummarizes | 91 | support of DFO\u2019s strategic outcomes. This report\r\nsummarizes | ||
65 | observed trends and projections on a 50-year timescale for the Arctic | 92 | observed trends and projections on a 50-year timescale for the Arctic | ||
66 | region,\r\nincluding the four marine basins of the Beaufort Sea, | 93 | region,\r\nincluding the four marine basins of the Beaufort Sea, | ||
67 | Canadian Polar Shelf, Baffin Bay/Davis\r\nStrait and Hudson Bay as | 94 | Canadian Polar Shelf, Baffin Bay/Davis\r\nStrait and Hudson Bay as | ||
68 | well as the predominately terrestrial Mackenzie Basin. To | 95 | well as the predominately terrestrial Mackenzie Basin. To | ||
69 | evaluate\r\npast trends, national and international data archives | 96 | evaluate\r\npast trends, national and international data archives | ||
70 | (which include land-based station data and\r\ncruise data) as well as | 97 | (which include land-based station data and\r\ncruise data) as well as | ||
71 | publications, reports, and earlier assessments have been used. | 98 | publications, reports, and earlier assessments have been used. | ||
72 | Limited\r\nobservations in the Arctic, especially for ecosystem | 99 | Limited\r\nobservations in the Arctic, especially for ecosystem | ||
73 | variables, lead to significant gaps and\r\nlimitations in the | 100 | variables, lead to significant gaps and\r\nlimitations in the | ||
74 | assessment. Future projections are mostly derived from global models, | 101 | assessment. Future projections are mostly derived from global models, | ||
75 | which\r\ngive a general tendency and range of expected future changes, | 102 | which\r\ngive a general tendency and range of expected future changes, | ||
76 | but lack local details. Most\r\nregional modelling efforts are limited | 103 | but lack local details. Most\r\nregional modelling efforts are limited | ||
77 | to the atmosphere. Those have been included for higher\r\nresolution | 104 | to the atmosphere. Those have been included for higher\r\nresolution | ||
78 | projections of air temperature, precipitation and wind. Only a few | 105 | projections of air temperature, precipitation and wind. Only a few | ||
79 | models are\r\navailable on the aquatic basin scale that simulate ocean | 106 | models are\r\navailable on the aquatic basin scale that simulate ocean | ||
80 | properties and sea ice. The main\r\noutcomes of the assessment show | 107 | properties and sea ice. The main\r\noutcomes of the assessment show | ||
81 | significant increases in air temperature (0 - 3\u00baC in summer | 108 | significant increases in air temperature (0 - 3\u00baC in summer | ||
82 | and\r\n3 \u2013 7\u00baC in winter over the next 50 years), a slight | 109 | and\r\n3 \u2013 7\u00baC in winter over the next 50 years), a slight | ||
83 | increase in precipitation and snow depth as\r\nwell as an | 110 | increase in precipitation and snow depth as\r\nwell as an | ||
84 | intensification in extreme events (hot spells, extreme precipitation). | 111 | intensification in extreme events (hot spells, extreme precipitation). | ||
85 | With respect to\r\natmospheric circulation patterns, appreciable | 112 | With respect to\r\natmospheric circulation patterns, appreciable | ||
86 | changes have been observed. Projections suggest\r\nan increase in | 113 | changes have been observed. Projections suggest\r\nan increase in | ||
87 | storm strength and size (storm surges and coastal erosion) as well as | 114 | storm strength and size (storm surges and coastal erosion) as well as | ||
88 | a slight\r\nincrease in wave heights with only small changes in | 115 | a slight\r\nincrease in wave heights with only small changes in | ||
89 | windspeed. An Arctic-wide decrease in the\r\nextent of multi-year ice | 116 | windspeed. An Arctic-wide decrease in the\r\nextent of multi-year ice | ||
90 | has been observed, together with an increase in ice-free waters | 117 | has been observed, together with an increase in ice-free waters | ||
91 | in\r\nsummer (longer time periods and larger areas). These observed | 118 | in\r\nsummer (longer time periods and larger areas). These observed | ||
92 | sea ice trends are projected to\r\ncontinue into the future. It can be | 119 | sea ice trends are projected to\r\ncontinue into the future. It can be | ||
93 | anticipated that the longer open water period will allow wind | 120 | anticipated that the longer open water period will allow wind | ||
94 | and\r\nstorms to have a greater impact on the coast, i.e. erosion. | 121 | and\r\nstorms to have a greater impact on the coast, i.e. erosion. | ||
95 | Limited observations of ocean properties\r\nshow local freshening | 122 | Limited observations of ocean properties\r\nshow local freshening | ||
96 | (e.g. Beaufort Sea) and summer warming (e.g. Baffin Bay). These | 123 | (e.g. Beaufort Sea) and summer warming (e.g. Baffin Bay). These | ||
97 | trends\r\nare projected to continue along with localized strengthening | 124 | trends\r\nare projected to continue along with localized strengthening | ||
98 | in stratification. Increased ocean\r\nacidification has been observed | 125 | in stratification. Increased ocean\r\nacidification has been observed | ||
99 | and is projected to continue throughout the Canadian | 126 | and is projected to continue throughout the Canadian | ||
100 | Arctic,\r\nleading to decreased saturation states of calcium carbonate | 127 | Arctic,\r\nleading to decreased saturation states of calcium carbonate | ||
101 | (aragonite and calcite). Within the\r\nMackenzie Basin, increased lake | 128 | (aragonite and calcite). Within the\r\nMackenzie Basin, increased lake | ||
102 | temperatures and stratification, as well as later | 129 | temperatures and stratification, as well as later | ||
103 | freeze/earlier\r\nbreak-up dates have been observed and are projected | 130 | freeze/earlier\r\nbreak-up dates have been observed and are projected | ||
104 | for lakes. A widespread warming of\r\nterrestrial permafrost and | 131 | for lakes. A widespread warming of\r\nterrestrial permafrost and | ||
105 | thickening of the permafrost active layer has been observed, as well | 132 | thickening of the permafrost active layer has been observed, as well | ||
106 | as\r\na slow warming of sub-sea permafrost. Again, this pattern is | 133 | as\r\na slow warming of sub-sea permafrost. Again, this pattern is | ||
107 | likely to continue in the future.\r\nChanges expected for the next 10 | 134 | likely to continue in the future.\r\nChanges expected for the next 10 | ||
108 | years may in some cases be proportional to the 50-year\r\nprojections. | 135 | years may in some cases be proportional to the 50-year\r\nprojections. | ||
109 | However, in most instances, natural intra-decadal variability is | 136 | However, in most instances, natural intra-decadal variability is | ||
110 | expected to be at\r\nleast as important as the overall trends during | 137 | expected to be at\r\nleast as important as the overall trends during | ||
111 | the next decade. A continuation of the past\r\ndecade\u2019s trends is | 138 | the next decade. A continuation of the past\r\ndecade\u2019s trends is | ||
112 | expected in the case of ocean acidity, surface air temperature, | 139 | expected in the case of ocean acidity, surface air temperature, | ||
113 | multi-year ice\r\nextent, first-year ice characteristics, storm waves, | 140 | multi-year ice\r\nextent, first-year ice characteristics, storm waves, | ||
114 | and permafrost. The assessment concludes that to improve our | 141 | and permafrost. The assessment concludes that to improve our | ||
115 | capability to assess and project climate change adaptation in | 142 | capability to assess and project climate change adaptation in | ||
116 | aquatic\r\necosystems, more consistent data sets are needed, | 143 | aquatic\r\necosystems, more consistent data sets are needed, | ||
117 | especially over marine areas and for\r\nbiogeochemical variables. | 144 | especially over marine areas and for\r\nbiogeochemical variables. | ||
118 | Higher resolution basin-scale ocean ecosystem models are | 145 | Higher resolution basin-scale ocean ecosystem models are | ||
119 | also\r\nrequired to provide locally applicable projections relevant | 146 | also\r\nrequired to provide locally applicable projections relevant | ||
120 | for Arctic communities and DFO\r\nmanagement.", | 147 | for Arctic communities and DFO\r\nmanagement.", | ||
121 | "tags": [ | 148 | "tags": [ | ||
122 | { | 149 | { | ||
123 | "display_name": "Baffin Bay", | 150 | "display_name": "Baffin Bay", | ||
124 | "id": "01728c27-b6dc-4be4-8db9-a47736c78355", | 151 | "id": "01728c27-b6dc-4be4-8db9-a47736c78355", | ||
125 | "name": "Baffin Bay", | 152 | "name": "Baffin Bay", | ||
126 | "state": "active", | 153 | "state": "active", | ||
127 | "vocabulary_id": null | 154 | "vocabulary_id": null | ||
128 | }, | 155 | }, | ||
129 | { | 156 | { | ||
130 | "display_name": "Beaufort Sea", | 157 | "display_name": "Beaufort Sea", | ||
131 | "id": "554662b3-b287-4a84-af25-ff7811916082", | 158 | "id": "554662b3-b287-4a84-af25-ff7811916082", | ||
132 | "name": "Beaufort Sea", | 159 | "name": "Beaufort Sea", | ||
133 | "state": "active", | 160 | "state": "active", | ||
134 | "vocabulary_id": null | 161 | "vocabulary_id": null | ||
135 | }, | 162 | }, | ||
136 | { | 163 | { | ||
137 | "display_name": "Canadian Polar Shelf", | 164 | "display_name": "Canadian Polar Shelf", | ||
138 | "id": "a79f1e9f-2e8d-4279-a9fc-049c494f9a1d", | 165 | "id": "a79f1e9f-2e8d-4279-a9fc-049c494f9a1d", | ||
139 | "name": "Canadian Polar Shelf", | 166 | "name": "Canadian Polar Shelf", | ||
140 | "state": "active", | 167 | "state": "active", | ||
141 | "vocabulary_id": null | 168 | "vocabulary_id": null | ||
142 | }, | 169 | }, | ||
143 | { | 170 | { | ||
144 | "display_name": "Davis Strait", | 171 | "display_name": "Davis Strait", | ||
145 | "id": "c6f9eab8-abb9-4935-9860-9fc6990eb7df", | 172 | "id": "c6f9eab8-abb9-4935-9860-9fc6990eb7df", | ||
146 | "name": "Davis Strait", | 173 | "name": "Davis Strait", | ||
147 | "state": "active", | 174 | "state": "active", | ||
148 | "vocabulary_id": null | 175 | "vocabulary_id": null | ||
149 | }, | 176 | }, | ||
150 | { | 177 | { | ||
151 | "display_name": "Hudson Bay", | 178 | "display_name": "Hudson Bay", | ||
152 | "id": "1120a9d3-7726-4343-afae-e337406a4f68", | 179 | "id": "1120a9d3-7726-4343-afae-e337406a4f68", | ||
153 | "name": "Hudson Bay", | 180 | "name": "Hudson Bay", | ||
154 | "state": "active", | 181 | "state": "active", | ||
155 | "vocabulary_id": null | 182 | "vocabulary_id": null | ||
156 | }, | 183 | }, | ||
157 | { | 184 | { | ||
158 | "display_name": "Mackenzie River Basin", | 185 | "display_name": "Mackenzie River Basin", | ||
159 | "id": "7177f8b7-0244-4bf7-85bb-859b50051e4e", | 186 | "id": "7177f8b7-0244-4bf7-85bb-859b50051e4e", | ||
160 | "name": "Mackenzie River Basin", | 187 | "name": "Mackenzie River Basin", | ||
161 | "state": "active", | 188 | "state": "active", | ||
162 | "vocabulary_id": null | 189 | "vocabulary_id": null | ||
163 | }, | 190 | }, | ||
164 | { | 191 | { | ||
165 | "display_name": "Marine", | 192 | "display_name": "Marine", | ||
166 | "id": "8f81a61a-be00-4055-8671-e855f08ef56c", | 193 | "id": "8f81a61a-be00-4055-8671-e855f08ef56c", | ||
167 | "name": "Marine", | 194 | "name": "Marine", | ||
168 | "state": "active", | 195 | "state": "active", | ||
169 | "vocabulary_id": null | 196 | "vocabulary_id": null | ||
170 | }, | 197 | }, | ||
171 | { | 198 | { | ||
172 | "display_name": "Ocean", | 199 | "display_name": "Ocean", | ||
173 | "id": "39d9f4be-3e21-41b6-9311-4f722a652747", | 200 | "id": "39d9f4be-3e21-41b6-9311-4f722a652747", | ||
174 | "name": "Ocean", | 201 | "name": "Ocean", | ||
175 | "state": "active", | 202 | "state": "active", | ||
176 | "vocabulary_id": null | 203 | "vocabulary_id": null | ||
177 | }, | 204 | }, | ||
178 | { | 205 | { | ||
179 | "display_name": "Projections", | 206 | "display_name": "Projections", | ||
180 | "id": "67333d87-81a3-4cd1-bdbb-b1763cd129ea", | 207 | "id": "67333d87-81a3-4cd1-bdbb-b1763cd129ea", | ||
181 | "name": "Projections", | 208 | "name": "Projections", | ||
182 | "state": "active", | 209 | "state": "active", | ||
183 | "vocabulary_id": null | 210 | "vocabulary_id": null | ||
184 | }, | 211 | }, | ||
185 | { | 212 | { | ||
186 | "display_name": "Trends", | 213 | "display_name": "Trends", | ||
187 | "id": "4ad7899d-1f49-45da-877a-b977087b7d4d", | 214 | "id": "4ad7899d-1f49-45da-877a-b977087b7d4d", | ||
188 | "name": "Trends", | 215 | "name": "Trends", | ||
189 | "state": "active", | 216 | "state": "active", | ||
190 | "vocabulary_id": null | 217 | "vocabulary_id": null | ||
191 | } | 218 | } | ||
192 | ], | 219 | ], | ||
193 | "title": "Climate Change Assessment in the Arctic Basin Part 1: | 220 | "title": "Climate Change Assessment in the Arctic Basin Part 1: | ||
194 | Trends and Projections - A Contribution to the Aquatic Climate Change | 221 | Trends and Projections - A Contribution to the Aquatic Climate Change | ||
195 | Adaptation Services Program", | 222 | Adaptation Services Program", | ||
196 | "type": "dataset", | 223 | "type": "dataset", | ||
197 | "url": null, | 224 | "url": null, | ||
198 | "version": null | 225 | "version": null | ||
199 | } | 226 | } |