Changes
On December 3, 2022 at 10:29:08 AM UTC, seanh:
-
Moved CASIWAL Presentation NO.1 from organization Aerospace Information Research Institute, CAS to organization JRC-AO
f | 1 | { | f | 1 | { |
2 | "author": "", | 2 | "author": "", | ||
3 | "author_email": "", | 3 | "author_email": "", | ||
4 | "creator_user_id": "2e9fa41b-0394-4070-98d0-205f79d5738b", | 4 | "creator_user_id": "2e9fa41b-0394-4070-98d0-205f79d5738b", | ||
5 | "extras": [], | 5 | "extras": [], | ||
6 | "groups": [ | 6 | "groups": [ | ||
7 | { | 7 | { | ||
8 | "description": "Youth Group on Cryosphere | 8 | "description": "Youth Group on Cryosphere | ||
9 | Air-Snow-Ice-Water-Land (CASIWAL) interactions, observation, modeling, | 9 | Air-Snow-Ice-Water-Land (CASIWAL) interactions, observation, modeling, | ||
10 | and process seminar series initiated by the cooperation with Polar and | 10 | and process seminar series initiated by the cooperation with Polar and | ||
11 | Cryosphere. | 11 | Cryosphere. | ||
12 | 62a5\u544a\u4fe1\u606f\uff1ahttp://115.29.142.79/group/casiwal\u3002", | 12 | 62a5\u544a\u4fe1\u606f\uff1ahttp://115.29.142.79/group/casiwal\u3002", | ||
13 | "display_name": "Cryosphere Air-Snow-Ice-Water-Land (CASIWAL)", | 13 | "display_name": "Cryosphere Air-Snow-Ice-Water-Land (CASIWAL)", | ||
14 | "id": "300150f1-0aaf-42b4-8022-3dfca52e8b66", | 14 | "id": "300150f1-0aaf-42b4-8022-3dfca52e8b66", | ||
15 | "image_display_url": | 15 | "image_display_url": | ||
16 | 5.29.142.79/uploads/group/2022-01-21-132035.27590220220121211935.png", | 16 | 5.29.142.79/uploads/group/2022-01-21-132035.27590220220121211935.png", | ||
17 | "name": "casiwal", | 17 | "name": "casiwal", | ||
18 | "title": "Cryosphere Air-Snow-Ice-Water-Land (CASIWAL)" | 18 | "title": "Cryosphere Air-Snow-Ice-Water-Land (CASIWAL)" | ||
19 | } | 19 | } | ||
20 | ], | 20 | ], | ||
21 | "id": "97ce1c7a-13df-4bae-bd9e-b7e95c33e3ab", | 21 | "id": "97ce1c7a-13df-4bae-bd9e-b7e95c33e3ab", | ||
22 | "isopen": false, | 22 | "isopen": false, | ||
23 | "license_id": "", | 23 | "license_id": "", | ||
24 | "license_title": "", | 24 | "license_title": "", | ||
25 | "maintainer": "", | 25 | "maintainer": "", | ||
26 | "maintainer_email": "", | 26 | "maintainer_email": "", | ||
27 | "metadata_created": "2022-01-20T03:26:28.420492", | 27 | "metadata_created": "2022-01-20T03:26:28.420492", | ||
n | 28 | "metadata_modified": "2022-12-03T10:15:32.757290", | n | 28 | "metadata_modified": "2022-12-03T10:29:08.192174", |
29 | "name": "casiwal_1th", | 29 | "name": "casiwal_1th", | ||
30 | "notes": "Abstract\uff1a\r\nIn this study, sea ice concentration | 30 | "notes": "Abstract\uff1a\r\nIn this study, sea ice concentration | ||
31 | (SIC) budgets were calculated for five ocean-sea ice reanalyses (CFSR, | 31 | (SIC) budgets were calculated for five ocean-sea ice reanalyses (CFSR, | ||
32 | C-GLORSv7, GLORYS12v1, NEMO-EnKF and ORAS5), in the Southern Ocean and | 32 | C-GLORSv7, GLORYS12v1, NEMO-EnKF and ORAS5), in the Southern Ocean and | ||
33 | compared with observations. When applying the SIC budget diagnostics | 33 | compared with observations. When applying the SIC budget diagnostics | ||
34 | to decompose the changes in SIC into contributions from advection, | 34 | to decompose the changes in SIC into contributions from advection, | ||
35 | divergence, thermodynamics, deformation and data assimilation, we find | 35 | divergence, thermodynamics, deformation and data assimilation, we find | ||
36 | that the driving atmospheric and oceanic forcings are the most | 36 | that the driving atmospheric and oceanic forcings are the most | ||
37 | significant contributors on the budget differences. For the CFSR, the | 37 | significant contributors on the budget differences. For the CFSR, the | ||
38 | primary source of deviation compared to other reanalyses is the | 38 | primary source of deviation compared to other reanalyses is the | ||
39 | stronger northward component of surface-ocean current, which results | 39 | stronger northward component of surface-ocean current, which results | ||
40 | in stronger sea ice advection and divergence. These deviations are | 40 | in stronger sea ice advection and divergence. These deviations are | ||
41 | related to excessive freezing that results in an average CFSR sea ice | 41 | related to excessive freezing that results in an average CFSR sea ice | ||
42 | thickness being twice that of other reanalyses. The secondary source, | 42 | thickness being twice that of other reanalyses. The secondary source, | ||
43 | because Coriolis force is proportional to sea ice thickness, is the | 43 | because Coriolis force is proportional to sea ice thickness, is the | ||
44 | more northward velocity of free-drifting sea ice from the | 44 | more northward velocity of free-drifting sea ice from the | ||
45 | predominantly westerly winds and currents in the Antarctic Circumpolar | 45 | predominantly westerly winds and currents in the Antarctic Circumpolar | ||
46 | Current. In summary, this could be interpreted as a positive feedback | 46 | Current. In summary, this could be interpreted as a positive feedback | ||
47 | between sea ice thickness and northward sea ice transport. The other | 47 | between sea ice thickness and northward sea ice transport. The other | ||
48 | three reanalyses, C-GLORSv7, GLORYS12V1 and ORAS5, in contrast to the | 48 | three reanalyses, C-GLORSv7, GLORYS12V1 and ORAS5, in contrast to the | ||
49 | CFSR, underestimate the contribution of dynamics to changes in SIC | 49 | CFSR, underestimate the contribution of dynamics to changes in SIC | ||
50 | with respect to observations. The NEMO-EnKF, using NCEP as an | 50 | with respect to observations. The NEMO-EnKF, using NCEP as an | ||
51 | atmospheric forcing, has the largest zonal sea ice velocity among all | 51 | atmospheric forcing, has the largest zonal sea ice velocity among all | ||
52 | reanalyses, but compared to observations, the effect of the dynamics | 52 | reanalyses, but compared to observations, the effect of the dynamics | ||
53 | on sea ice change is also underestimated because the northward | 53 | on sea ice change is also underestimated because the northward | ||
54 | velocity and north-south velocity gradient are not large enough. | 54 | velocity and north-south velocity gradient are not large enough. | ||
55 | Another effect of excessively large wind speeds on the NEMO-EnKF is | 55 | Another effect of excessively large wind speeds on the NEMO-EnKF is | ||
56 | that they produce more sea ice convergence than other | 56 | that they produce more sea ice convergence than other | ||
57 | systems.\r\nshort-bio\uff1a\r\nYafei Nie is a PhD student from the | 57 | systems.\r\nshort-bio\uff1a\r\nYafei Nie is a PhD student from the | ||
58 | Ocean University of China (supervisor: Xianqing Lv), now visiting in | 58 | Ocean University of China (supervisor: Xianqing Lv), now visiting in | ||
59 | University of Helsinki (supervisor: Petteri Uotila). His research | 59 | University of Helsinki (supervisor: Petteri Uotila). His research | ||
60 | topics include ocean dynamics, sea-ice geophysics, data assimilation | 60 | topics include ocean dynamics, sea-ice geophysics, data assimilation | ||
61 | and ocean reanalysis.", | 61 | and ocean reanalysis.", | ||
62 | "num_resources": 1, | 62 | "num_resources": 1, | ||
63 | "num_tags": 0, | 63 | "num_tags": 0, | ||
64 | "organization": { | 64 | "organization": { | ||
65 | "approval_status": "approved", | 65 | "approval_status": "approved", | ||
n | 66 | "created": "2020-04-30T11:11:08.802657", | n | 66 | "created": "2022-12-03T18:28:36.501371", |
67 | "description": "Aerospace Information Research Institute (AIR) | 67 | "description": "The JRC-AO, Joint Research Center for Arctic | ||
68 | under the Chinese Academy of Sciences (CAS) was established in July | 68 | Observations, is a joint research center for the collabration effort | ||
69 | 2017, following the approval for consolidation of three CAS | 69 | by AIR-CAS, and ASC FMI.", | ||
70 | institutes: the Institute of Electronics (IECAS), the Institute of | 70 | "id": "01f3a7d5-4715-4bd1-886a-4e1c800be33e", | ||
71 | Remote Sensing and Digital Earth (RADI), and the Academy of | 71 | "image_url": "2022-12-03-102836.49099620221203182535.png", | ||
72 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | ||||
73 | the outcome of CAS efforts towards reformation of its R&D system to | ||||
74 | meet future R&D challenges and to better meet the national demands.", | ||||
75 | "id": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | ||||
76 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | ||||
77 | "is_organization": true, | 72 | "is_organization": true, | ||
n | 78 | "name": "air", | n | 73 | "name": "jrc-ao_", |
79 | "state": "active", | 74 | "state": "active", | ||
n | 80 | "title": "Aerospace Information Research Institute, CAS", | n | 75 | "title": "JRC-AO", |
81 | "type": "organization" | 76 | "type": "organization" | ||
82 | }, | 77 | }, | ||
t | 83 | "owner_org": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | t | 78 | "owner_org": "01f3a7d5-4715-4bd1-886a-4e1c800be33e", |
84 | "private": false, | 79 | "private": false, | ||
85 | "relationships_as_object": [], | 80 | "relationships_as_object": [], | ||
86 | "relationships_as_subject": [], | 81 | "relationships_as_subject": [], | ||
87 | "resources": [ | 82 | "resources": [ | ||
88 | { | 83 | { | ||
89 | "cache_last_updated": null, | 84 | "cache_last_updated": null, | ||
90 | "cache_url": null, | 85 | "cache_url": null, | ||
91 | "created": "2022-01-20T03:26:55.556674", | 86 | "created": "2022-01-20T03:26:55.556674", | ||
92 | "datastore_active": false, | 87 | "datastore_active": false, | ||
93 | "description": "", | 88 | "description": "", | ||
94 | "format": "JPEG", | 89 | "format": "JPEG", | ||
95 | "hash": "", | 90 | "hash": "", | ||
96 | "id": "a9a6c944-230b-4384-a885-6daaf466da01", | 91 | "id": "a9a6c944-230b-4384-a885-6daaf466da01", | ||
97 | "last_modified": "2022-01-20T03:26:55.543707", | 92 | "last_modified": "2022-01-20T03:26:55.543707", | ||
98 | "metadata_modified": "2022-01-20T03:26:55.712287", | 93 | "metadata_modified": "2022-01-20T03:26:55.712287", | ||
99 | "mimetype": "image/jpeg", | 94 | "mimetype": "image/jpeg", | ||
100 | "mimetype_inner": null, | 95 | "mimetype_inner": null, | ||
101 | "name": | 96 | "name": | ||
102 | 8042\u4e9a\u98de\u4e2d\u82ac\u4f1a\u8bae\u6d77\u62a5\u6a21\u677f.jpg", | 97 | 8042\u4e9a\u98de\u4e2d\u82ac\u4f1a\u8bae\u6d77\u62a5\u6a21\u677f.jpg", | ||
103 | "package_id": "97ce1c7a-13df-4bae-bd9e-b7e95c33e3ab", | 98 | "package_id": "97ce1c7a-13df-4bae-bd9e-b7e95c33e3ab", | ||
104 | "position": 0, | 99 | "position": 0, | ||
105 | "resource_type": null, | 100 | "resource_type": null, | ||
106 | "size": 5121615, | 101 | "size": 5121615, | ||
107 | "state": "active", | 102 | "state": "active", | ||
108 | "url": | 103 | "url": | ||
109 | resource/a9a6c944-230b-4384-a885-6daaf466da01/download/20211130-.jpg", | 104 | resource/a9a6c944-230b-4384-a885-6daaf466da01/download/20211130-.jpg", | ||
110 | "url_type": "upload" | 105 | "url_type": "upload" | ||
111 | } | 106 | } | ||
112 | ], | 107 | ], | ||
113 | "state": "active", | 108 | "state": "active", | ||
114 | "tags": [], | 109 | "tags": [], | ||
115 | "title": "CASIWAL Presentation NO.1", | 110 | "title": "CASIWAL Presentation NO.1", | ||
116 | "type": "dataset", | 111 | "type": "dataset", | ||
117 | "url": "", | 112 | "url": "", | ||
118 | "version": "" | 113 | "version": "" | ||
119 | } | 114 | } |