Table 2 Number of groundwater samples and the corresponding surface area (in hectares) of each designated aquifer.

From: A Dataset of Water Stable Isotopes in Iran’s Main Aquifers

Aquifer No.

Aquifer name

Number of samples

Code

Area (ha)

1

Marand

12

RE

45175

2

Tabriz

24

TA

118120

3

Kashan

15

KA

173690

4

Isfahan

18

IS

164281

5

Shiraz

12

SH

50334

6

Darab

13

DA

70732

7

Mashhad

30

MA

240862

8

Fariman

28

FA

220689

9

Tehran-Karaj

35

TK

252688

10

Varamin

15

VA

104321

  1. Data are from Iran’s Water Resources Management Company (IWRMC)33.