Changes
On December 3, 2022 at 10:20:45 AM UTC, seanh:
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Changed title to CASIWAL Presentation NO.9 (previously CAIW交流报告_第九期)
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Moved CASIWAL Presentation NO.9 from http://115.29.142.79/dataset/zhongfen_9th to http://115.29.142.79/dataset/casiwal_9th
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7 | { | ||||
8 | "description": "Youth Group on Cryosphere | ||||
9 | Air-Snow-Ice-Water-Land (CASIWAL) interactions, observation, modeling, | ||||
10 | and process seminar series initiated by the cooperation with Polar and | ||||
11 | Cryosphere. | ||||
12 | 62a5\u544a\u4fe1\u606f\uff1ahttp://115.29.142.79/group/casiwal\u3002", | ||||
13 | "display_name": "Cryosphere Air-Snow-Ice-Water-Land (CASIWAL)", | ||||
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16 | 5.29.142.79/uploads/group/2022-01-21-132035.27590220220121211935.png", | ||||
17 | "name": "casiwal", | ||||
18 | "title": "Cryosphere Air-Snow-Ice-Water-Land (CASIWAL)" | ||||
19 | } | ||||
20 | ], | ||||
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13 | "metadata_created": "2022-11-02T13:17:51.881963", | 27 | "metadata_created": "2022-11-02T13:17:51.881963", | ||
n | 14 | "metadata_modified": "2022-11-02T13:18:04.760499", | n | 28 | "metadata_modified": "2022-12-03T10:20:45.421382", |
15 | "name": "zhongfen_9th", | 29 | "name": "casiwal_9th", | ||
16 | "notes": "Abstract:\r\nLandfast ice is nearly immobile sea ice | 30 | "notes": "Abstract:\r\nLandfast ice is nearly immobile sea ice | ||
17 | attached to the coast.Landfast ice inhibits atmo- sphere-ocean fluxes | 31 | attached to the coast.Landfast ice inhibits atmo- sphere-ocean fluxes | ||
18 | of heat moisture, and momentumleads to offshore flaw polynyas. and | 32 | of heat moisture, and momentumleads to offshore flaw polynyas. and | ||
19 | stores fresh river water in wintertime.Despite these important roles | 33 | stores fresh river water in wintertime.Despite these important roles | ||
20 | in coastal envi- ronments. landfast ice is not well simulated in | 34 | in coastal envi- ronments. landfast ice is not well simulated in | ||
21 | current sea ice models. because landfastice dynamics differ from the | 35 | current sea ice models. because landfastice dynamics differ from the | ||
22 | pack ice in the interior Arctic and require explicit parameteriza- | 36 | pack ice in the interior Arctic and require explicit parameteriza- | ||
23 | tion.The dynamical mechanisms for landfast ice formation are linked to | 37 | tion.The dynamical mechanisms for landfast ice formation are linked to | ||
24 | the local geogra phy. Grounded ice ridges act as anchor points in | 38 | the local geogra phy. Grounded ice ridges act as anchor points in | ||
25 | shallow water.Coastlines and offshore island chains may also be | 39 | shallow water.Coastlines and offshore island chains may also be | ||
26 | pinning points between which arches of landfast ice can form in deep | 40 | pinning points between which arches of landfast ice can form in deep | ||
27 | water. The grounding mechanism for landfast ice in shallow marginal | 41 | water. The grounding mechanism for landfast ice in shallow marginal | ||
28 | seas has been successfully parameterized using bathymetry information | 42 | seas has been successfully parameterized using bathymetry information | ||
29 | but this grounding scheme fails in deep regions.We describe a new | 43 | but this grounding scheme fails in deep regions.We describe a new | ||
30 | landfast ice parameterization that uses lateral drag as a function of | 44 | landfast ice parameterization that uses lateral drag as a function of | ||
31 | sea ice thicknessdrift velocityand local coastline length.The | 45 | sea ice thicknessdrift velocityand local coastline length.The | ||
32 | simulated landfast ice in a 36 km pan-Arctic sea ice-ocean simulation | 46 | simulated landfast ice in a 36 km pan-Arctic sea ice-ocean simulation | ||
33 | is compared to observations from satellite data and the effect ofthe | 47 | is compared to observations from satellite data and the effect ofthe | ||
34 | new lateral drag parameterization is evaluated. The combination of the | 48 | new lateral drag parameterization is evaluated. The combination of the | ||
35 | established grounding scheme for shallow water and the new lateral | 49 | established grounding scheme for shallow water and the new lateral | ||
36 | drag parameterization for deep water leads to an improved and | 50 | drag parameterization for deep water leads to an improved and | ||
37 | realistic landfast ice distri bution in most marginal seas in the | 51 | realistic landfast ice distri bution in most marginal seas in the | ||
38 | Arctic.These results suggest that multiple mechanisms are at work to | 52 | Arctic.These results suggest that multiple mechanisms are at work to | ||
39 | create and maintain landfast ice in marginal seas\r\nThis work has | 53 | create and maintain landfast ice in marginal seas\r\nThis work has | ||
40 | been published:https://doirg/101029/2022JC018413 Short-bio:\r\nYuqing | 54 | been published:https://doirg/101029/2022JC018413 Short-bio:\r\nYuqing | ||
41 | Liu is a PhD.candidate at Alfred Wegener Institute for Polar and | 55 | Liu is a PhD.candidate at Alfred Wegener Institute for Polar and | ||
42 | Marine Re search in Germany(Supervisor: Dr.Martin Losch).Her research | 56 | Marine Re search in Germany(Supervisor: Dr.Martin Losch).Her research | ||
43 | interest is landfast ice dynamics in the Arctic.The recent work | 57 | interest is landfast ice dynamics in the Arctic.The recent work | ||
44 | implements a new parameterization in MITgcm to improve the simulation | 58 | implements a new parameterization in MITgcm to improve the simulation | ||
45 | of landfast ice area in the sea ice model and the undergoing work | 59 | of landfast ice area in the sea ice model and the undergoing work | ||
46 | explores the effects on the hydrography in the Arctio of the | 60 | explores the effects on the hydrography in the Arctio of the | ||
47 | neparametrization", | 61 | neparametrization", | ||
48 | "num_resources": 1, | 62 | "num_resources": 1, | ||
49 | "num_tags": 0, | 63 | "num_tags": 0, | ||
50 | "organization": { | 64 | "organization": { | ||
51 | "approval_status": "approved", | 65 | "approval_status": "approved", | ||
52 | "created": "2020-04-30T11:11:08.802657", | 66 | "created": "2020-04-30T11:11:08.802657", | ||
53 | "description": "Aerospace Information Research Institute (AIR) | 67 | "description": "Aerospace Information Research Institute (AIR) | ||
54 | under the Chinese Academy of Sciences (CAS) was established in July | 68 | under the Chinese Academy of Sciences (CAS) was established in July | ||
55 | 2017, following the approval for consolidation of three CAS | 69 | 2017, following the approval for consolidation of three CAS | ||
56 | institutes: the Institute of Electronics (IECAS), the Institute of | 70 | institutes: the Institute of Electronics (IECAS), the Institute of | ||
57 | Remote Sensing and Digital Earth (RADI), and the Academy of | 71 | Remote Sensing and Digital Earth (RADI), and the Academy of | ||
58 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | 72 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | ||
59 | the outcome of CAS efforts towards reformation of its R&D system to | 73 | the outcome of CAS efforts towards reformation of its R&D system to | ||
60 | meet future R&D challenges and to better meet the national demands.", | 74 | meet future R&D challenges and to better meet the national demands.", | ||
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62 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | 76 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | ||
63 | "is_organization": true, | 77 | "is_organization": true, | ||
64 | "name": "air", | 78 | "name": "air", | ||
65 | "state": "active", | 79 | "state": "active", | ||
66 | "title": "Aerospace Information Research Institute, CAS", | 80 | "title": "Aerospace Information Research Institute, CAS", | ||
67 | "type": "organization" | 81 | "type": "organization" | ||
68 | }, | 82 | }, | ||
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