According to the national regulations on Map Management and Regulations on Map Review and Management, maps in papers published in the Journal of Tropical Oceanography must pass the review of relevant national departments.

The competent administrative department of surveying, mapping and Geographic Information under The State Council shall be responsible for the examination and approval of the following maps: (1) National maps and maps that mainly represent the administrative areas of two or more provinces, autonomous regions and municipalities directly under the Central Government; (2) Maps of the Hong Kong Special Administrative Region, the Macao Special Administrative Region and the Taiwan Region; (3) Maps of the world and maps that are mainly represented abroad; (4) Historical map.

The competent department of surveying, mapping and geographic information administration of the people's government of a province, autonomous region or municipality directly under the Central Government shall be responsible for examining and verifying maps that are mainly displayed within the scope of their respective administrative areas. Among them, the maps that do not involve national boundaries within the administrative area of the districted city are mainly examined by the administrative department of surveying and mapping and geographic information of the districted city people's government.

Therefore, the author is specially requested to pay attention to when revising the final draft.

1) The map content in the article, which can be expressed in tables and maps, is recommended to be expressed in tables;

2) if must use map said, please from national geographic information bureau of surveying and mapping standard map service website (http://bzdt.ch.mnr.gov.cn) or local official website to download the relevant geographic map reproduction, without change of reproduction, add the necessary information. For maps involving national boundaries, the boundaries of Aksai Chin, Southern Tibet, Xinjiang, and Heilongjiang on the national map should be correct, and there should be important islands such as Taiwan Island, Hainan Island, Diaoyu Island, Chiwei Yu Island, and Nanhai Zhudao.

3) Please submit electronic sample drawing in ai format. For each map, it shall be marked "from the standard map service website of the National BureThis map is made based on the standard map with the approval number of ××× downloaded au of Surveying, Mapping and Geographic Information, and the base map is not moThis map is based on the standard map with the approval number of ××× downloaded from the standard map service website of ×× Province, and the base map is not modifieddified " or "").