Experimental Evaluation of Temperature Dependence of Pure Water Absorption Coefficient in Near-Infrared Domain

Liangfeng Chen; Zhongping Lee; Gong Lin; Yongchao Wang; Junwei Wang; Wendian Lai

doi:10.3788/AOS202242.1801007

Journals >Acta Optica Sinica >Volume 42 >Issue 18 >Page 1801007 > Article

Acta Optica Sinica
Vol. 42, Issue 18, 1801007 (2022)

Experimental Evaluation of Temperature Dependence of Pure Water Absorption Coefficient in Near-Infrared Domain

Liangfeng Chen¹, Zhongping Lee^1,2,*, Gong Lin¹, Yongchao Wang¹..., Junwei Wang¹ and Wendian Lai¹|Show fewer author(s)

Author Affiliations

¹State Key Lab of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361005, Fujian, China

²School for the Environment, University of Massachusetts Boston, Boston 02125, MA, USA

show less

DOI: 10.3788/AOS202242.1801007 Cite this Article Set citation alerts

Liangfeng Chen, Zhongping Lee, Gong Lin, Yongchao Wang, Junwei Wang, Wendian Lai. Experimental Evaluation of Temperature Dependence of Pure Water Absorption Coefficient in Near-Infrared Domain[J]. Acta Optica Sinica, 2022, 42(18): 1801007 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

Fig. 1. Temperature correction coefficient Ψ_T for a_wobtained from Rottgers et al.^[14] in the wavelength range of 700-900 nm

Download full size

Fig. 2. Photo of the water-filled tank along with the radiometer when taking measurement of L_t via above-water approach (AWA)

Download full size

Fig. 3. R_rs spectra at different temperatures obtained in this study. (a) Measured on 4 December, 2021; (b) measured on 13 December, 2021

Download full size

Fig. 4. a_p spectra of the water-sediment mixture at different temperature (or time) of this study

Download full size

Fig. 5. Normalized R_rs spectra R_{rs_Nor} at different temperatures

Download full size

Fig. 6. Relationship between

D_{R_{r s}}

and

{D_{a}}_{w}

(λ₁ as 740 nm and λ₂ as 795 nm). (a) Change of

D_{R_{r s}}

and

{D_{a}}_{w}

for T in a range of 7-51 ℃;(b) scatterplot between

D_{R_{r s}}

(740∶795) and

{D_{a}}_{w}

(740∶795)

Download full size

Fig. 7. Relationship between

D_{R_{r s}}

and

{D_{a}}_{w}

(λ₁ as 795 nm and λ₂ as 835 nm). (a) Changes of

D_{R_{r s}}

and

{D_{a}}_{w}

for T in a range of 7-51 ℃;(b) scatterplot between

D_{R_{r s}}

(795 nm/835 nm) and

{D_{a}}_{w}

(795 nm/835 nm)

Download full size

Fig. 8. Change of

D_{R_{r s}}

caused by changes of a_p and b_bp

Liangfeng Chen, Zhongping Lee, Gong Lin, Yongchao Wang, Junwei Wang, Wendian Lai. Experimental Evaluation of Temperature Dependence of Pure Water Absorption Coefficient in Near-Infrared Domain[J]. Acta Optica Sinica, 2022, 42(18): 1801007

Download Citation

EndNote(RIS)

BibTex

Plain Text

Set citation alerts for the article

Tools

Share

Set citation alerts for the article

Save the article for my favorites

Paper Information

微信扫一扫：分享

微信扫一扫：分享