Changes
On June 10, 2021 at 2:47:49 AM UTC, Xiahou:
-
Added resource High-Accuracy Sea Ice Mapping Based on MODIS to High-Accuracy Sea Ice Mapping Based on MODIS
f | 1 | { | f | 1 | { |
2 | "author": " Liyuan Jiang", | 2 | "author": " Liyuan Jiang", | ||
3 | "author_email": "", | 3 | "author_email": "", | ||
4 | "creator_user_id": "f470fae7-1089-4af8-9d67-af653be6e762", | 4 | "creator_user_id": "f470fae7-1089-4af8-9d67-af653be6e762", | ||
5 | "extras": [ | 5 | "extras": [ | ||
6 | { | 6 | { | ||
7 | "key": "Geographic Coverage", | 7 | "key": "Geographic Coverage", | ||
8 | "value": "60\u1d52N-90\u1d52N, 180\u1d52W-180\u1d52E" | 8 | "value": "60\u1d52N-90\u1d52N, 180\u1d52W-180\u1d52E" | ||
9 | }, | 9 | }, | ||
10 | { | 10 | { | ||
11 | "key": "Time", | 11 | "key": "Time", | ||
12 | "value": "2021.4.1-2021.04.30" | 12 | "value": "2021.4.1-2021.04.30" | ||
13 | } | 13 | } | ||
14 | ], | 14 | ], | ||
15 | "groups": [], | 15 | "groups": [], | ||
16 | "id": "e46c263f-06c9-4feb-ae68-c7dcc184834d", | 16 | "id": "e46c263f-06c9-4feb-ae68-c7dcc184834d", | ||
17 | "isopen": false, | 17 | "isopen": false, | ||
18 | "license_id": "", | 18 | "license_id": "", | ||
19 | "license_title": "", | 19 | "license_title": "", | ||
20 | "maintainer": " Liyuan Jiang", | 20 | "maintainer": " Liyuan Jiang", | ||
21 | "maintainer_email": "", | 21 | "maintainer_email": "", | ||
22 | "metadata_created": "2021-06-10T02:47:43.438003", | 22 | "metadata_created": "2021-06-10T02:47:43.438003", | ||
n | 23 | "metadata_modified": "2021-06-10T02:47:43.438011", | n | 23 | "metadata_modified": "2021-06-10T02:47:49.784061", |
24 | "name": "high-accuracy-sea-ice-mapping-based-on-modis", | 24 | "name": "high-accuracy-sea-ice-mapping-based-on-modis", | ||
25 | "notes": "The sea ice cover is changing rapidly in polar regions, | 25 | "notes": "The sea ice cover is changing rapidly in polar regions, | ||
26 | and sea ice products with high temporal and spatial resolution are of | 26 | and sea ice products with high temporal and spatial resolution are of | ||
27 | great importance in studying global climate change and navigation. In | 27 | great importance in studying global climate change and navigation. In | ||
28 | this study, an ice map generation model based on Moderate-Resolution | 28 | this study, an ice map generation model based on Moderate-Resolution | ||
29 | Imaging Spectroradiometer (MODIS) reflectance bands is constructed to | 29 | Imaging Spectroradiometer (MODIS) reflectance bands is constructed to | ||
30 | obtain sea ice data with a high temporal and spatial resolution. By | 30 | obtain sea ice data with a high temporal and spatial resolution. By | ||
31 | constructing a training sample library and using a multi-feature | 31 | constructing a training sample library and using a multi-feature | ||
32 | fusion machine learning algorithm for model classification, the | 32 | fusion machine learning algorithm for model classification, the | ||
33 | high-accuracy recognition of ice and cloud regions is achieved. The | 33 | high-accuracy recognition of ice and cloud regions is achieved. The | ||
34 | first product provided by this algorithm is a near real-time | 34 | first product provided by this algorithm is a near real-time | ||
35 | single-scene sea ice presence map. Compared with the photo-interpreted | 35 | single-scene sea ice presence map. Compared with the photo-interpreted | ||
36 | ground truth, the verification shows that the algorithm can obtain a | 36 | ground truth, the verification shows that the algorithm can obtain a | ||
37 | higher recognition accuracy for ice, clouds, and water, and the | 37 | higher recognition accuracy for ice, clouds, and water, and the | ||
38 | accuracy exceeds 98%. The second product is a daily and weekly clear | 38 | accuracy exceeds 98%. The second product is a daily and weekly clear | ||
39 | sky map, which provides synthetic ice presence maps for one day or | 39 | sky map, which provides synthetic ice presence maps for one day or | ||
40 | seven consecutive days. A filtering method based on cloud motion is | 40 | seven consecutive days. A filtering method based on cloud motion is | ||
41 | used to make the product more accurate. The third product is a weekly | 41 | used to make the product more accurate. The third product is a weekly | ||
42 | fusion of clear sky optical images. In a comparison with the Advanced | 42 | fusion of clear sky optical images. In a comparison with the Advanced | ||
43 | Microwave Scanning Radiometer 2 (AMSR2) sea ice concentration products | 43 | Microwave Scanning Radiometer 2 (AMSR2) sea ice concentration products | ||
44 | performed in August 2019 and September 2020, these composite images | 44 | performed in August 2019 and September 2020, these composite images | ||
45 | showed spatial consistency over time, suggesting that they can be used | 45 | showed spatial consistency over time, suggesting that they can be used | ||
46 | in many scientific and practical applications in the future", | 46 | in many scientific and practical applications in the future", | ||
n | 47 | "num_resources": 0, | n | 47 | "num_resources": 1, |
48 | "num_tags": 2, | 48 | "num_tags": 2, | ||
49 | "organization": { | 49 | "organization": { | ||
50 | "approval_status": "approved", | 50 | "approval_status": "approved", | ||
51 | "created": "2020-04-30T11:11:08.802657", | 51 | "created": "2020-04-30T11:11:08.802657", | ||
52 | "description": "Aerospace Information Research Institute (AIR) | 52 | "description": "Aerospace Information Research Institute (AIR) | ||
53 | under the Chinese Academy of Sciences (CAS) was established in July | 53 | under the Chinese Academy of Sciences (CAS) was established in July | ||
54 | 2017, following the approval for consolidation of three CAS | 54 | 2017, following the approval for consolidation of three CAS | ||
55 | institutes: the Institute of Electronics (IECAS), the Institute of | 55 | institutes: the Institute of Electronics (IECAS), the Institute of | ||
56 | Remote Sensing and Digital Earth (RADI), and the Academy of | 56 | Remote Sensing and Digital Earth (RADI), and the Academy of | ||
57 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | 57 | Opto-Electronics (AOE) at CAS President Board Meeting. The merger is | ||
58 | the outcome of CAS efforts towards reformation of its R&D system to | 58 | the outcome of CAS efforts towards reformation of its R&D system to | ||
59 | meet future R&D challenges and to better meet the national demands.", | 59 | meet future R&D challenges and to better meet the national demands.", | ||
60 | "id": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | 60 | "id": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | ||
61 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | 61 | "image_url": "2021-05-18-080509.992585AIRlogo.png", | ||
62 | "is_organization": true, | 62 | "is_organization": true, | ||
63 | "name": "air", | 63 | "name": "air", | ||
64 | "state": "active", | 64 | "state": "active", | ||
65 | "title": "Aerospace Information Research Institute, CAS", | 65 | "title": "Aerospace Information Research Institute, CAS", | ||
66 | "type": "organization" | 66 | "type": "organization" | ||
67 | }, | 67 | }, | ||
68 | "owner_org": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | 68 | "owner_org": "c25dce84-97be-4153-8b90-d38f9ab73e5f", | ||
69 | "private": false, | 69 | "private": false, | ||
70 | "relationships_as_object": [], | 70 | "relationships_as_object": [], | ||
71 | "relationships_as_subject": [], | 71 | "relationships_as_subject": [], | ||
t | 72 | "resources": [], | t | 72 | "resources": [ |
73 | { | ||||
74 | "cache_last_updated": null, | ||||
75 | "cache_url": null, | ||||
76 | "created": "2021-06-10T02:47:49.793501", | ||||
77 | "datastore_active": false, | ||||
78 | "description": "", | ||||
79 | "format": "", | ||||
80 | "hash": "", | ||||
81 | "id": "22a1d345-8135-4599-9ac4-a0d7073ccf61", | ||||
82 | "last_modified": null, | ||||
83 | "metadata_modified": "2021-06-10T02:47:49.787363", | ||||
84 | "mimetype": null, | ||||
85 | "mimetype_inner": null, | ||||
86 | "name": "High-Accuracy Sea Ice Mapping Based on MODIS", | ||||
87 | "package_id": "e46c263f-06c9-4feb-ae68-c7dcc184834d", | ||||
88 | "position": 0, | ||||
89 | "resource_type": null, | ||||
90 | "size": null, | ||||
91 | "state": "active", | ||||
92 | "url": "", | ||||
93 | "url_type": null | ||||
94 | } | ||||
95 | ], | ||||
73 | "state": "draft", | 96 | "state": "draft", | ||
74 | "tags": [ | 97 | "tags": [ | ||
75 | { | 98 | { | ||
76 | "display_name": "Arctic", | 99 | "display_name": "Arctic", | ||
77 | "id": "81346c64-e56b-464f-9a28-28899646228f", | 100 | "id": "81346c64-e56b-464f-9a28-28899646228f", | ||
78 | "name": "Arctic", | 101 | "name": "Arctic", | ||
79 | "state": "active", | 102 | "state": "active", | ||
80 | "vocabulary_id": null | 103 | "vocabulary_id": null | ||
81 | }, | 104 | }, | ||
82 | { | 105 | { | ||
83 | "display_name": "Sea Ice", | 106 | "display_name": "Sea Ice", | ||
84 | "id": "4d930608-7dd5-4b74-90db-0cdd93094306", | 107 | "id": "4d930608-7dd5-4b74-90db-0cdd93094306", | ||
85 | "name": "Sea Ice", | 108 | "name": "Sea Ice", | ||
86 | "state": "active", | 109 | "state": "active", | ||
87 | "vocabulary_id": null | 110 | "vocabulary_id": null | ||
88 | } | 111 | } | ||
89 | ], | 112 | ], | ||
90 | "title": "High-Accuracy Sea Ice Mapping Based on MODIS", | 113 | "title": "High-Accuracy Sea Ice Mapping Based on MODIS", | ||
91 | "type": "dataset", | 114 | "type": "dataset", | ||
92 | "url": "", | 115 | "url": "", | ||
93 | "version": "" | 116 | "version": "" | ||
94 | } | 117 | } |