[11] [11] Gan S, Heuer V, Schmidt F, et al. Acta Oceanologica Sinica, 2023, 42(1): 109.

[20] [20] Stedmon C A, Bro R. Limnology and Oceanography: Methods, 2008, 6: 572

[21] [21] Murphy K R, Stedmon C A, Wenig P, et al. Analytical Methods, 2014, 6(3): 658.

[22] [22] Zsolnay A, Baigar E, Jimenez M, et al. Chemosphere, 1999, 38(1): 45.

[23] [23] Huguet A, Vacher L, Relexans S, et al. Organic Geochemistry, 2009, 40(6): 706.

[24] [24] Lavonen E E, Kothawala D N, Tranvik L J, et al. Water Research, 2015, 85: 286.

[25] [25] Shen J, Liu B, Wu J, et al. Chemosphere, 2020, 239: 124703.

[26] [26] Bruenjes J, Seidel M, Dittmar T, et al. Environmental Science & Technology. 2022, 56(12): 9092.

[27] [27] Lambert T, Bouillon S, Darchambeau F, et al. Biogeosciences, 2016, 13(18): 5405.

[28] [28] Garcia R D, Dieguez M C, Gerea M, et al. Freshwater Biology, 2018, 63(9): 1049.

[29] [29] Wheeler K I, Levia D F, Hudson J E, et al. Journal of Geophysical Research: Biogeosciences, 2017, 122(9): 2233.

[30] [30] Berggren M, Gudasz C, Guillemette F, et al. Limnology and Oceanography, 2020, 65(5): 951.

[31] [31] Chen B, Huang W, Ma S, et al. Water, 2018, 10(7): 860.

[32] [32] Du Y, Lu Y, Roebuck Jr J A, et al. Science of the Total Environment, 2021, 752: 141839.

[33] [33] Chen M, Jung J, Lee Y K, et al. Science of the Total Environment, 2018, 639: 624.