THE CORRELATION BETWEEN THE AVERAGE REFLECTANCE
OF CASE Ⅱ WATER IN CAOFEIDIAN OFFING AND THE
CONCENTRATIONS OF SURFACE SUSPENDED PARTICULATE MATTER
LI Jian-guo 1， SUN Xiao-ming 1， KANG Hui 1， TIAN Feng 2， DU Dong 1， FANG cheng 1
1.Tianjin Institute of Geology and Mineral Resources, Tianjin 300170, China;
2.China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083,China
Numerous spectroradiometric measurements were carried out in the Caofeidian offing and, on such a basis, correlation was made between the average reflectance and the concentrations of surface suspended particulate matter (SPM). The empirical relationships were established between remote-sensing reflectance (Rrs) in TM-HRV bands and SPM concentrations. The results show that the remote-sensing reflectance increases with SPM concentrations. When the SPM concentrations are lower than 20 mg/L, the amplitudes of remote-sensing are wider in the 570 nm than in the 670 nm, but when the SPM concentrations are higher than 20 mg/L, things are just the opposite. The best correlations are obtained for Rrs (TM3) and SPM concentrations, which show remarkable exponential correlations. As a result, SPM concentrations within the surface waters in Caofeidian offing are estimated with an average accuracy better than ±28%.
李建国, 孙晓明, 康慧, 田丰, 杜东, 方成. 曹妃甸近海Ⅱ类水体光谱反射率与悬浮泥沙浓度相关性研究[J]. 国土资源遥感, 2009, 21(3): 54-58.
LI Jian-Guo, SUN Xiao-Ming, KANG Hui, TIAN Feng, DU Dong, FANG Cheng. THE CORRELATION BETWEEN THE AVERAGE REFLECTANCE
OF CASE Ⅱ WATER IN CAOFEIDIAN OFFING AND THE
CONCENTRATIONS OF SURFACE SUSPENDED PARTICULATE MATTER. REMOTE SENSING FOR LAND & RESOURCES, 2009, 21(3): 54-58.
2009, Vol. 21 
