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Annual Average Seawater Transparency Dataset in the Sea Area 40 km Offshore from Chabahar (Iran) to Ormara (Pakistan) (2002-2017)


YAN Jinfeng1WANG Menghan1SU Fenzhen2ZHANG Xiaoxiao1GAO Shanshan1XU Meirong1
1College of Geomatics,Shandong University of Science and Technology,Qingdao 266590,China2Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China

DOI:10.3974/geodb.2018.06.13.V1

Published:Oct. 2018

Visitors:54       Data Files Downloaded:5      
Data Downloaded:0.25 MB      Citations:

Key Words:

Chabahar,Ormara,seawater transparency,2002-2017

Abstract:

Annual average seawater transparency dataset in the sea area 40 km offshore from Chabahar (Iran) to Ormara (Pakistan) (2002-2017) covering 40km offshore seawaters from coastline of the Chabahar (Iran)- Ormara (Pakistan). The dataset was developed based on annual average global water body reflectance data (MODISA_L3m_RRS v2018). Firstly, the seawater transparency was calculated by empirical inversion model proposed by Tian Lin in 2013, and then clipped it to get the annual average seawater transparency dataset in the sea area 40 km offshore from Chabahar (Iran) to Ormara (Pakistan) (2002-2017). The data result shows that the seawater transparency from far shore to nearshore showed gradually decreasing trend. The maximum of seawater transparency from 2002 to 2017 was 22.01 m, which was in 2016; the minimum of seawater transparency was 0.001 m, which was in 2003. Regionally, the average seawater transparency in 2008 was the lowest, at 8.66 m; while the average seawater transparency in 2015 was the highest, reaching 13.31 m, with a difference of 4.65 m. The data spatial resolution is 0.083027°. The dataset is consisted of 16 data files in .tif format with data size of 1.02 MB (Compressed to one single data file, 50.8 KB).

Foundation Item:

Ministry of Science and Technology of P. R. China (2017ST0006)

Data Citation:

YAN Jinfeng,WANG Menghan,SU Fenzhen,ZHANG Xiaoxiao,GAO Shanshan,XU Meirong.Annual Average Seawater Transparency Dataset in the Sea Area 40 km Offshore from Chabahar (Iran) to Ormara (Pakistan) (2002-2017)[DB/OL].Global Change Research Data Publishing & Repository,2018.DOI:10.3974/geodb.2018.06.13.V1.

Data Product:

ID Data Name Data Size Operation
1 STransp_Chabahar-Ormara.rar 50.89kb DownLoad
Co-Sponsors

Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences

The Geographical Society of China

Parteners

Committee on Data for Science and Technology (CODATA) Task Group on Preservation of and Access to Scientific and Technical Data in/for/with Developing Countries (PASTD)

Jomo Kenyatta University of Agriculture and Technology

Digital Linchao GeoMuseum