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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