2000-2020年广东省珠海淇澳岛红树林空间分布数据集

doi:10.19788/j.issn.2096-6369.230203

Abstract

Abstract:

Mangroves are distributed in the tropical and subtropical coastal intertidal zones, playing a critical role in the global carbon cycle and providing service value for ecological and ecological economic development. But with the development of human activities and the deterioration of the natural environment, mangrove resources have sharply decreased. Using Landsat images of 2000, 2005, and 2010, and Sentinel-2 images of 2015 and 2020, through decision tree classification and object-oriented classification methods, combined with field surveys, the study extracts the spatial distribution and area of mangroves each year, and produces the spatial distribution dataset of mangroves in Qi'ao Island from 2000 to 2020. The article dataset can analyze the spatial dynamic evolution of mangroves, providing important references for scientific research such as the dynamic changes of mangroves on Qi'ao Island and the evaluation of ecological environment quality; providing decision-making support for the protection, restoration, and management of mangrove wetlands; and providing basic data support for environmental monitoring in Zhuhai and Guangdong Province.

Key words: mangrove, remote sensing data, spatial distribution, Qi'ao Island

CAI HuiNa, WANG Ruei-Yuan. A Dataset on Spatial Distribution of Mangroves in Qi'ao Island, Zhuhai, Guangdong Province from 2000 to 2020[J].Journal of Agricultural Big Data, 2023, 5(2): 9-15.

Figures/Tables 8

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References 15

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序号	卫星	传感器	条带号/行号	分辨率(m)	成像日期
1	Landsat-7	ETM	122/044	30	2000.11.01
2	Landsat-5	TM	122/044	30	2005.10.22
3	Landsat-5	TM	122/044	30	2010.03.26
4	Sentinel-2	MSI	T49QGE	10	2015.10.23
5	Sentinel-2	MSI	T49QGE	10	2020.10.26

序号	名称	大小
1	2000_mangrove	86.5 KB
2	2005_mangrove	120 KB
3	2010_mangrove	124 KB
4	2015_mangrove	759 KB
5	2020_mangrove	900KB

Kappa 系数	分类精度
<0.00-0.20	较差
0.00-0.20	差
0.20-0.40	正常
0.40-0.60	好
0.60-0.80	较好
0.80-1.00	非常好

年份	卫星	OA(%)	Kappa
2000	Landsat-7	81%	0.79
2005	Landsat-5	80%	0.82
2010	Landsat-5	85%	0.83
2015	Sentinel-2	92%	0.90
2020	Sentinel-2	93%	0.91

A Dataset on Spatial Distribution of Mangroves in Qi'ao Island, Zhuhai, Guangdong Province from 2000 to 2020

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