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. 2021 Feb 26;12:614634. doi: 10.3389/fmicb.2021.614634

TABLE 1.

Monthly averaged (±Standard Deviation) physical and chemical properties in the water column for each water type. Standard deviations are given in parentheses. n gives the number of samples considered in each group for calculations. Retrieved and adapted from McGovern et al. (2020).

June August

Estuary SW n = 10 Glacier SW n = 4 Fjord SW n = 9 AdW n = 9 Estuary SW n = 7 Glacier SW n = 3 Fjord SW n = 7 AdW n = 14
Salinity 30.1 (7.5) 31.4 (2.7) 34.0 (0.9) 34.7 (0.3) 26.1 (11.7) 21.4 (4.1) 31.6 (2.8) 35.3 (0.5)
Temperature (°C) 3.5 (1.2) 3.6 (1.6) 3.3 (1.1) 1.8 (0.6) 6.6 (1.1) 5.3 (1.1) 6.9 (1.0) 4.5 (0.8)
Secchi depth (m) 0.7 (0.3) 1.2 (1.2) 4.8 (2.0) 3.0 (2.7) 1.7 (1.1) 1.4 (1.1) 4.0 (2.2) 3.6 (2.5)
SPM (mg.L–1) 29.3 (6.9) 27.0 (3.7) 26.1 (4.8) 26.0 (3.7) 74.7 (71.7) 32.6 (30.0) 25.3 (7.6) 24.2 (11.3)
DOC (μmol.L–1) 103.0 (18.9) 107.5 (17.1) 95.0 (7.1) 101.7 (16.0) 74.3 (15.1) 60.0 (10.0) 92.9 (16.0) 77.1 (10.7)
SUVA254 (m2.gC–1) 2.43 (0.53) 2.56 (0.68) 1.14 (0.80) 1.70 (0.86) 3.15 (0.78) 3.03 (0.41) 2.24 (0.43) 2.52 (0.39)
Chl a (mg.m–3) 1.31 (0.89) 0.79 (0.32) 1.54 (0.73) 1.41 (0.98) 0.92 (0.69) 1.28 (1.33) 1.06 (0.42) 0.96 (0.43)
Phaeophytin (mg.m–3) 0.07 (0.05) 0.05 (0.03) 0.37 (0.37) 0.09 (0.07) 0.15 (0.06) 0.11 (0.07) 0.15 (0.02) 0.13 (0.06)
PO4 (μmol.L–1) 0.64 (1.19) 0.20 (0.22) 0.64 (0.77) 0.16 (0.05) 0.22 (0.09) 0.14 (0.03) 0.17 (0.05) 0.26 (0.07)
NO2 + NO3 (μmol.L–1) 1.19 (1.24) 0.68 (0.26) 0.59 (0.67) 0.58 (0.25) 3.20 (4.46) 1.94 (1.08) 0.39 (0.12) 0.72 (0.45)
NH4 (μmol.L–1) 0.83 (0.38) 0.85 (0.44) 0.75 (0.57) 0.99 (0.49) 1.03 (0.40) 0.73 (0.17) 0.64 (0.13) 1.25 (0.54)
SiO2 (μmol.L–1) 4.7 (6.1) 1.9 (1.4) 1.4 (2.1) 1.0 (0.5) 10.1 (11.2) 9.1 (3.1) 3.4 (0.7) 3.5 (1.0)
POC (μmol.L–1) 41.0 (28.7) 17.9 (1.0) 33.8 (14.5) 24.2 (10.9) 127.9 (188.6) 23.2 (15.1) 21.9 (8.3) 19.1 (8.1)
Particulate P (μmol.L–1) 0.30 (0.17) 0.13 (0.02) 0.23 (0.12) 0.15 (0.09) 1.39 (2.15) 0.33 (0.25) 0.14 (0.07) 0.12 (0.09)
Particulate N (μmol.L–1) 4.2 (1.1) 2.7 (0.6) 4.4 (1.2) 4.1 (3.4) 10.0 (9.8) 2.9 (2.5) 3.1 (1.0) 2.9 (2.0)
POM C:N 9.8 (6.5) 6.9 (1.2) 8.1 (4.2) 6.9 (2.1) 10.0 (10.0) 9.3 (2.2) 7.0 (0.8) 7.5 (2.0)
POC δ13C (%o) −28.4 (1.1) −27.5 (0.3) −28.5 (1.4) −27.2 (1.3) −27.5 (0.5) −26.8 (0.8) −27.0 (0.4) −27.3 (0.9)