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Elevation and Conductivity Statistics for NWI Units, Port Aransas Transect

Elevation and apparent conductivity ranges measured for 1992 National Wetland Inventory (NWI) units mapped along the Port Aransas transect. Elevations were measured using an airborne lidar instrument. Apparent conductivities were measured using a ground-based Geonics EM38 instrument in the vertical dipole (vd) and horizontal dipole (hd) orientations.

NWI unit

n

Elev.avg. (m)

Elev. range (m)

App. con. avg., vd (mS/m)

App. con. range, vd (mS/m)

App. con. avg., hd (mS/m)

App. con. range, hd (mS/m)

U
51
2.08
0.42-7.47
78
1-707
65
2-956
PEM1C
1,2
1.28
1.28
117
97-137
104
78-129
E2EM1P
30
0.89
0.2-1.72
488
17-1571
449
10-1767
E2EM1N
8
0.16
0.09-0.32
1272
1113-1464
1382
1139-1469
E2USP
5
0.33
0.16-0.73
1274
527-1800
1281
331-2029
E2USN
6
0.07
0.03-0.09
1863
1652-1950
2049
1747-2251

E2AB1P

16

0

-0.11-0.09

1660

1245-1828

1892

1301-2211

E1UBL

1

0.1

0.1

985

985

1041

1041

M2USP

1

0.87

0.87

269

269

276

276

M2USN

2

0.63

0.5-0.75

581

428-733

614

444-784

 

 
 
 
  Updated April 7, 2004