Changes
On January 21, 2022 at 1:38:12 PM UTC, Yubao Qiu:
-
Changed title to CAIW交流报告_第一期 (previously 海冰汽交流报告_第一期)
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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 | { | ||
n | 8 | "description": "", | n | 8 | "description": "Cryosphere Air-Ice-Water (CAIW) interactions, |
9 | "display_name": "\u4e2d\u82ac\u5408\u4f5c\u4ea4\u6d41", | 9 | observation, modeling and process investigation seminar series | ||
10 | 8c\u8fc7\u7a0b\u7814\u7a76\u53ca\u5b66\u672f\u601d\u60f3\u4ea4\u6d41", | ||||
11 | "display_name": "Cryosphere Air-Ice-Water (CAIW)", | ||||
10 | "id": "300150f1-0aaf-42b4-8022-3dfca52e8b66", | 12 | "id": "300150f1-0aaf-42b4-8022-3dfca52e8b66", | ||
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13 | "name": "zhongfen", | 15 | "name": "zhongfen", | ||
n | 14 | "title": "\u4e2d\u82ac\u5408\u4f5c\u4ea4\u6d41" | n | 16 | "title": "Cryosphere Air-Ice-Water (CAIW)" |
15 | } | 17 | } | ||
16 | ], | 18 | ], | ||
17 | "id": "97ce1c7a-13df-4bae-bd9e-b7e95c33e3ab", | 19 | "id": "97ce1c7a-13df-4bae-bd9e-b7e95c33e3ab", | ||
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19 | "license_id": "", | 21 | "license_id": "", | ||
20 | "license_title": "", | 22 | "license_title": "", | ||
21 | "maintainer": "", | 23 | "maintainer": "", | ||
22 | "maintainer_email": "", | 24 | "maintainer_email": "", | ||
23 | "metadata_created": "2022-01-20T03:26:28.420492", | 25 | "metadata_created": "2022-01-20T03:26:28.420492", | ||
n | 24 | "metadata_modified": "2022-01-21T13:16:24.737412", | n | 26 | "metadata_modified": "2022-01-21T13:38:12.222758", |
25 | "name": "zhongfen_1th", | 27 | "name": "zhongfen_1th", | ||
26 | "notes": "Abstract\uff1a\r\nIn this study, sea ice concentration | 28 | "notes": "Abstract\uff1a\r\nIn this study, sea ice concentration | ||
27 | (SIC) budgets were calculated for five ocean-sea ice reanalyses (CFSR, | 29 | (SIC) budgets were calculated for five ocean-sea ice reanalyses (CFSR, | ||
28 | C-GLORSv7, GLORYS12v1, NEMO-EnKF and ORAS5), in the Southern Ocean and | 30 | C-GLORSv7, GLORYS12v1, NEMO-EnKF and ORAS5), in the Southern Ocean and | ||
29 | compared with observations. When applying the SIC budget diagnostics | 31 | compared with observations. When applying the SIC budget diagnostics | ||
30 | to decompose the changes in SIC into contributions from advection, | 32 | to decompose the changes in SIC into contributions from advection, | ||
31 | divergence, thermodynamics, deformation and data assimilation, we find | 33 | divergence, thermodynamics, deformation and data assimilation, we find | ||
32 | that the driving atmospheric and oceanic forcings are the most | 34 | that the driving atmospheric and oceanic forcings are the most | ||
33 | significant contributors on the budget differences. For the CFSR, the | 35 | significant contributors on the budget differences. For the CFSR, the | ||
34 | primary source of deviation compared to other reanalyses is the | 36 | primary source of deviation compared to other reanalyses is the | ||
35 | stronger northward component of surface-ocean current, which results | 37 | stronger northward component of surface-ocean current, which results | ||
36 | in stronger sea ice advection and divergence. These deviations are | 38 | in stronger sea ice advection and divergence. These deviations are | ||
37 | related to excessive freezing that results in an average CFSR sea ice | 39 | related to excessive freezing that results in an average CFSR sea ice | ||
38 | thickness being twice that of other reanalyses. The secondary source, | 40 | thickness being twice that of other reanalyses. The secondary source, | ||
39 | because Coriolis force is proportional to sea ice thickness, is the | 41 | because Coriolis force is proportional to sea ice thickness, is the | ||
40 | more northward velocity of free-drifting sea ice from the | 42 | more northward velocity of free-drifting sea ice from the | ||
41 | predominantly westerly winds and currents in the Antarctic Circumpolar | 43 | predominantly westerly winds and currents in the Antarctic Circumpolar | ||
42 | Current. In summary, this could be interpreted as a positive feedback | 44 | Current. In summary, this could be interpreted as a positive feedback | ||
43 | between sea ice thickness and northward sea ice transport. The other | 45 | between sea ice thickness and northward sea ice transport. The other | ||
44 | three reanalyses, C-GLORSv7, GLORYS12V1 and ORAS5, in contrast to the | 46 | three reanalyses, C-GLORSv7, GLORYS12V1 and ORAS5, in contrast to the | ||
45 | CFSR, underestimate the contribution of dynamics to changes in SIC | 47 | CFSR, underestimate the contribution of dynamics to changes in SIC | ||
46 | with respect to observations. The NEMO-EnKF, using NCEP as an | 48 | with respect to observations. The NEMO-EnKF, using NCEP as an | ||
47 | atmospheric forcing, has the largest zonal sea ice velocity among all | 49 | atmospheric forcing, has the largest zonal sea ice velocity among all | ||
48 | reanalyses, but compared to observations, the effect of the dynamics | 50 | reanalyses, but compared to observations, the effect of the dynamics | ||
49 | on sea ice change is also underestimated because the northward | 51 | on sea ice change is also underestimated because the northward | ||
50 | velocity and north-south velocity gradient are not large enough. | 52 | velocity and north-south velocity gradient are not large enough. | ||
51 | Another effect of excessively large wind speeds on the NEMO-EnKF is | 53 | Another effect of excessively large wind speeds on the NEMO-EnKF is | ||
52 | that they produce more sea ice convergence than other | 54 | that they produce more sea ice convergence than other | ||
53 | systems.\r\nshort-bio\uff1a\r\nYafei Nie is a PhD student from the | 55 | systems.\r\nshort-bio\uff1a\r\nYafei Nie is a PhD student from the | ||
54 | Ocean University of China (supervisor: Xianqing Lv), now visiting in | 56 | Ocean University of China (supervisor: Xianqing Lv), now visiting in | ||
55 | University of Helsinki (supervisor: Petteri Uotila). His research | 57 | University of Helsinki (supervisor: Petteri Uotila). His research | ||
56 | topics include ocean dynamics, sea-ice geophysics, data assimilation | 58 | topics include ocean dynamics, sea-ice geophysics, data assimilation | ||
57 | and ocean reanalysis.", | 59 | and ocean reanalysis.", | ||
58 | "num_resources": 1, | 60 | "num_resources": 1, | ||
59 | "num_tags": 0, | 61 | "num_tags": 0, | ||
60 | "organization": { | 62 | "organization": { | ||
61 | "approval_status": "approved", | 63 | "approval_status": "approved", | ||
62 | "created": "2020-04-30T11:11:08.802657", | 64 | "created": "2020-04-30T11:11:08.802657", | ||
63 | "description": "Aerospace Information Research Institute (AIR) | 65 | "description": "Aerospace Information Research Institute (AIR) | ||
64 | under the Chinese Academy of Sciences (CAS) was established in July | 66 | under the Chinese Academy of Sciences (CAS) was established in July | ||
65 | 2017, following the approval for consolidation of three CAS | 67 | 2017, following the approval for consolidation of three CAS | ||
66 | institutes: the Institute of Electronics (IECAS), the Institute of | 68 | institutes: the Institute of Electronics (IECAS), the Institute of | ||
67 | Remote Sensing and Digital Earth (RADI), and the Academy of | 69 | Remote Sensing and Digital Earth (RADI), and the Academy of | ||
68 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | 70 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | ||
69 | the outcome of CAS efforts towards reformation of its R&D system to | 71 | the outcome of CAS efforts towards reformation of its R&D system to | ||
70 | meet future R&D challenges and to better meet the national demands.", | 72 | meet future R&D challenges and to better meet the national demands.", | ||
71 | "id": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | 73 | "id": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | ||
72 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | 74 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | ||
73 | "is_organization": true, | 75 | "is_organization": true, | ||
74 | "name": "air", | 76 | "name": "air", | ||
75 | "state": "active", | 77 | "state": "active", | ||
76 | "title": "Aerospace Information Research Institute, CAS", | 78 | "title": "Aerospace Information Research Institute, CAS", | ||
77 | "type": "organization" | 79 | "type": "organization" | ||
78 | }, | 80 | }, | ||
79 | "owner_org": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | 81 | "owner_org": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | ||
80 | "private": false, | 82 | "private": false, | ||
81 | "relationships_as_object": [], | 83 | "relationships_as_object": [], | ||
82 | "relationships_as_subject": [], | 84 | "relationships_as_subject": [], | ||
83 | "resources": [ | 85 | "resources": [ | ||
84 | { | 86 | { | ||
85 | "cache_last_updated": null, | 87 | "cache_last_updated": null, | ||
86 | "cache_url": null, | 88 | "cache_url": null, | ||
87 | "created": "2022-01-20T03:26:55.556674", | 89 | "created": "2022-01-20T03:26:55.556674", | ||
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103 | "state": "active", | 105 | "state": "active", | ||
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106 | "url_type": "upload" | 108 | "url_type": "upload" | ||
107 | } | 109 | } | ||
108 | ], | 110 | ], | ||
109 | "state": "active", | 111 | "state": "active", | ||
110 | "tags": [], | 112 | "tags": [], | ||
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112 | "\u6d77\u51b0\u6c7d\u4ea4\u6d41\u62a5\u544a_\u7b2c\u4e00\u671f", | ||||
113 | "type": "dataset", | 114 | "type": "dataset", | ||
114 | "url": "", | 115 | "url": "", | ||
115 | "version": "" | 116 | "version": "" | ||
116 | } | 117 | } |