Analysis of Optical Characteristics and Type Characteristics of Aerosols in Eastern China

Area	Climatic condition	Station	Site	Observing session	Classified samples
Beijing	Temperate monsoon	Beijing-RADI	40.0N，116.4E	201001-201609	679
Beijing	Temperate monsoon	Beijing-CAMS	39.9N，116.0E	201208-201609	679
Xuzhou	Temperate monsoon	Xuzhou-CUMT	34.2N，117.1E	201307-201609	469
Taihu	Subtropical monsoon	Taihu	31.4N，120.2E	200509-201609	711
Hong Kong	Subtropical monsoon	Hong_Kong_PolyU	22.3N，114.2E	200511-201510；201606-201609	376
Hong Kong	Subtropical monsoon	Hong_Kong_Sheung	22.5N，114.1E	201202-201407；201410-201605	376

Table 2. Annual and seasonal averages of meteorological data

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Table 2. Annual and seasonal averages of meteorological data

	Spring			Summer			Autumn			Winter
	Wind speed /（m·s^-1）	Humidity /%	Rain days /d	Wind speed /（m·s^-1）	Humidity /%	Rain days /d	Wind speed /（m·s^-1）	Humidity /%	Rain days /d	Wind speed /（m·s^-1）	Humidity /%	Rain days /d
Beijing	2.6	40.4	14.8	2.3	56.2	41.8	1.9	63.0	30.6	2.1	49.2	12.8
Xuzhou	2.1	57.0	23.8	2.0	66.2	35.0	1.5	72.2	34.8	1.6	66.2	21.0
Taihu	2.2	69.8	41.4	1.9	74.4	42.8	1.8	75.6	37.6	1.7	72.6	32.6
Hong Kong	4.2	84.0	32.4	4.9	90.0	62.6	4.8	81.0	45.2	4.7	74.8	21.4

Table 3. Correlation between MODIS AOD and foundation AOD
View table
Table 3. Correlation between MODIS AOD and foundation AOD
Relevance R² Beijing-RADI Beijing-CAMS Xuzhou-CUMT Taihu Hong_Kong_PolyU Hong_Kong_Sheung
Nearest neighbor pixel 0.7384 0.6858 0.7073 0.4947 0.6654 0.6349
Four pixel mean 0.6707 0.7364 0.4386 0.0236 0.9015 0.2052

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Yafang Han, Su Ma, Yanchun Liu, Qingguang Lai. Analysis of Optical Characteristics and Type Characteristics of Aerosols in Eastern China[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1501001

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