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Table 2 Geometric parameters of 50 mounds measured in this study

From: Distribution, morphology, and morphometry of circular mounds in the elongated basin of northern Terra Sirenum, Mars

DEM used for measurement

Mound ID

Center latitude (°N)

Center longitude (°E)

Basal diameter (m)

Maximum height (m)

Height-width ratio

Slope angles (°)

Maximum

Minimum

Median

SD

DEM1

Mound1_1

− 26.9533

− 156.5379

284

21.5

0.076

35.8

0.2

9.8

3.3

DEM1

Mound1_2

− 26.9606

− 156.5390

165

8.6

0.052

35.0

0.3

6.6

2.3

DEM1

Mound1_3

− 26.9645

− 156.5376

234

13.4

0.057

58.2

0.3

8.2

3.7

DEM1

Mound1_4

− 26.9673

− 156.5329

395

22.2

0.056

51.8

0.1

9.9

4.7

DEM1

Mound1_5

− 26.9768

− 156.5351

420

35.5

0.084

58.1

0.1

11.6

4.5

DEM1

Mound1_6

− 26.9508

− 156.5083

160

7.3

0.046

14.5

0.1

5.7

2.4

DEM1

Mound1_7

− 26.9594

− 156.5057

442

42.9

0.097

48.6

0.1

13.0

5.0

DEM1

Mound1_8

− 27.0061

− 156.5324

324

26.5

0.082

47.9

0.1

11.2

4.0

DEM1

Mound1_9

− 27.0232

− 156.4857

205

12.7

0.062

33.9

0.1

7.9

3.1

DEM1

Mound1_10

− 27.0236

− 156.4804

367

26.6

0.072

66.0

0.1

10.0

4.5

DEM1

Mound1_11

− 27.0424

− 156.5225

260

17.5

0.067

17.9

0.1

8.9

3.0

DEM1

Mound1_12

− 27.0478

− 156.5259

205

10.6

0.052

18.2

0.2

6.9

2.8

DEM1

Mound1_13

− 27.0521

− 156.5224

200

11.6

0.058

35.8

0.1

6.9

3.3

DEM1

Mound1_14

− 27.0504

− 156.5158

217

11.1

0.051

17.2

0.0

7.8

3.7

DEM1

Mound1_15

− 27.0428

−156.5069

203

12.6

0.062

67.0

0.2

8.1

2.9

DEM1

Mound1_16

−27.0316

−156.4589

404

28.6

0.071

49.4

0.0

10.0

4.2

DEM1

Mound1_17

−27.0554

−156.4517

271

18.8

0.070

22.9

0.0

8.8

3.2

DEM1

Mound1_18

−27.0659

−156.4866

367

31.6

0.086

54.4

0.0

10.6

4.0

DEM1

Mound1_19

−27.0683

−156.4712

343

21.1

0.062

34.0

0.0

7.3

3.4

DEM1

Mound1_20

−27.0747

−156.4829

238

17.0

0.071

18.7

0.3

9.1

2.5

DEM1

Mound1_21

−27.0810

− 156.4814

331

28.7

0.087

41.8

0.2

10.8

3.6

DEM1

Mound1_22

− 27.0836

− 156.4749

345

25.2

0.073

33.6

0.1

9.4

3.5

DEM1

Mound1_23

− 27.0843

− 156.4679

249

15.3

0.062

24.4

0.0

8.3

3.1

DEM1

Mound1_24

− 27.0878

− 156.4687

184

11.7

0.063

27.8

0.2

7.5

3.0

DEM1

Mound1_25

− 27.0851

− 156.4642

184

11.9

0.064

24.7

0.1

8.5

3.3

DEM1

Mound1_26

− 27.0812

− 156.4620

328

24.5

0.075

35.3

0.0

9.3

3.0

DEM1

Mound1_27

− 27.0741

− 156.4570

212

15.3

0.072

20.2

0.1

8.3

3.1

DEM1

Mound1_28

− 27.0893

− 156.4569

391

30.1

0.077

36.2

0.2

9.4

3.4

DEM1

Mound1_29

− 27.0903

− 156.4467

237

13.1

0.055

68.0

0.0

8.2

4.3

DEM1

Mound1_30

− 27.0867

− 156.5048

230

7.8

0.034

43.2

0.1

5.5

3.1

DEM1

Mound1_31

− 27.0994

− 156.5155

336

23.6

0.070

58.2

0.1

9.2

3.2

DEM1

Mound1_32

− 27.0982

− 156.5081

214

9.1

0.043

23.9

0.1

5.9

2.5

DEM1

Mound1_33

− 27.1091

− 156.5083

209

12.6

0.060

17.3

0.3

7.9

2.5

DEM1

Mound1_34

− 27.1069

− 156.4880

270

17.4

0.065

18.7

0.1

8.6

2.7

DEM1

Mound1_35

− 27.0951

− 156.4716

286

17.6

0.062

26.6

0.2

7.9

2.7

DEM1

Mound1_36

− 27.0999

− 156.4687

276

16.2

0.059

31.2

0.1

7.9

3.4

DEM1

Mound1_37

− 27.1021

− 156.4605

190

8.5

0.045

17.3

0.1

5.7

2.3

DEM2

Mound2_1

− 27.6464

− 156.8530

392

28.8

0.073

66.0

0.1

12.6

6.4

DEM2

Mound2_2

− 27.6443

− 156.8323

301

20.3

0.067

51.1

0.0

10.0

4.9

DEM2

Mound2_3

− 27.7031

− 156.8175

253

19.0

0.075

59.0

0.1

11.1

6.4

DEM3

Mound3_1

− 27.7394

− 156.8234

171

8.6

0.050

67.3

0.2

17.4

10.3

DEM3

Mound3_2

− 27.7409

− 156.8065

276

27.6

0.100

75.7

0.0

19.1

10.7

DEM3

Mound3_3

− 27.7376

− 156.7896

205

16.6

0.081

75.0

0.1

19.8

11.0

DEM3

Mound3_4

− 27.7535

− 156.7985

186

10.6

0.057

76.6

0.1

19.4

11.3

DEM4

Mound4_1

− 27.7796

− 156.9253

265

16.6

0.062

23.1

0.0

8.0

3.0

DEM4

Mound4_2

− 27.7784

− 156.9155

242

17.0

0.070

31.8

0.1

8.2

3.2

DEM4

Mound4_3

− 27.7954

− 156.9167

203

11.5

0.057

17.6

0.1

7.0

2.5

DEM4

Mound4_4

− 27.8110

− 156.9188

207

9.5

0.046

16.8

0.2

6.2

2.3

DEM4

Mound4_5

− 27.8032

− 156.8946

206

13.5

0.065

20.2

0.3

8.0

2.5

DEM4

Mound4_6

− 27.8081

− 156.8855

147

6.0

0.041

13.8

0.1

5.4

2.0