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Table 1 Comparison of pCO2 and CO2 outgassing of the Guijiang River with rivers worldwide

From: Hydrological and biogeochemical controls on temporal variations of dissolved carbon and solutes in a karst river, South China

River Location Climate K (cm/h) pCO2 mean (μatm) FCO2 (mmol/m2/days) Sources
GJR (I) China Subtropical 11 2083 53 This study
GJR (II) China Subtropical 16 5162 211 This study
GJR (III) China Subtropical 13 1460 36 This study
Beipan China Subtropical 8 1287 78 [58]
Xijiang China Subtropical 8–15 2600 189.0–356.2 [19]
Yangtze China Subtropical 8 1297 38.4–147.9 [60]
Huanghe China Subtropical 42.1 2770 856 [61]
Amazon Brazil Tropic 15 3320 345.2 [37]
Mississippi USA Temperate 16.3 1335 269.9 [59]
Hudson USA Temperate 4 1125 16–37 [62]
Ottawa Canada Temperate 4 1200 80.8 [8]
Gäddtjärn Sweden Boreal 2.1 2266 983 [63]
Lower Mekong Canada Boreal 26 611 16 [10]
Auchencorth Moss UK Boreal 25,418 2.6 [64]
Krycklan Sweden Boreal 722–24,167 1 [65]
  1. GJR, Guijiang River; I, from October–November of 2013; II, from January–April of 2014; III, from May–September of 2014