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Port Aransas Transect

Distance along the transect, waypoints, locations (easting and northing in Universal Transverse Mercator coordinates, zone 14 north, 1983 North American Datum, 1980 Geodetic Reference System), elevation (1988 North American Vertical Datum), measurements of apparent conductivity in the horizontal (hd) and vertical (vd) dipole orientation using the Geonics EM38 ground conductivity meter, habitat as classified in the 1992 National Wetland Inventory (NWI), and vegetation characteristics encountered during the December 2003 conductivity and vegetation survey. Vegetation characteristics include height range and height of massed vegetation, soil wetness, vegetation cover percentage, and coastal environment classification. Plants identified at each waypoint are listed in the species table.
Distance along transect (m)
Waypoint
X (m)
Y (m)
Elevation (m)
App. cond., hd (mS/m)
App. cond., vd (mS/m)
Habitat (NWI, 1992)
Veg. height (ft)
Veg. mass height (ft)
Wetness
Cover (%)
Feature
0 209 689766 3077172 0.50 784 733 M2USN - - Wet - Beach
25 210 689749 3077191 0.75 444 428 M2USN - - Dry to damp - Beach
44 211 689734 3077203 0.87 276 269 M2USP - - Dry - Beach
65 212 689719 3077217 1.00 150 136 U - - - - Beach
84 213 689705 3077230 1.45 26 33 U - - Dry - Beach
98 214 689698 3077242 4.53 3 4 U 1.4-1.8 - - 70 Dune crest
105 215 689689 3077244 4.12 3 5 U 0.7-2 - - 70 Dune
125 216 689675 3077258 5.40 3 4 U 1-5 2.5 - 80 Dune
144 217 689660 3077269 3.88 2 7 U 0.8-2 - - 70 Dune
165 218 689644 3077283 3.10 3 5 U 1.2-2 - Dry 100 Interdune
184 219 689630 3077296 1.49 29 28 U 0.5-1.3 - Wet 95 Interdune
203 220 689615 3077308 7.47 2 1 U 1-2.7 1 - 95 Dune
231 221 689595 3077328 5.96 2 2 U 0.5-2.5 1 - - VBF
245 222 689585 3077335 4.61 3 1 U 1.2-2.6 1.2 - - VBF
265 223 689570 3077350 2.93 2 5 U 1.5-3.5 2.4 Dry 100 VBF
285 224 689555 3077363 2.70 4 4 U 1.5-4 2.5 Dry 100 VBF
304 225 689541 3077376 3.51 2 2 U 1.7-3.6 2.6 Dry 100 Dune
325 226 689525 3077389 1.95 8 10 U 1.3-4 1.8 Slightly damp 100 Dune flank
334 227 689519 3077395 1.44 16 20 U 0.4-3.5 - Wet 100 VBF
345 228 689511 3077403 1.68 20 25 U 1.4-4 1.8 Damp 100 VBF
365 229 689496 3077417 1.96 16 22 U 1.8-3.8 2 - 100 VBF
386 230 689479 3077429 1.90 6 10 U 2-3.2 2.2 Dry 100 VBF
404 231 689466 3077442 1.62 15 17 U 0.5-3 2 Damp 100 VBF
424 232 689451 3077455 1.11 27 28 U 0.3 0.3 Wet 50 VBF (disturbed)
445 233 689435 3077468 1.22 63 57 U 0.3 0.3 Damp 20 Disturbed VBF
466 234 689423 3077486 - 129 137 PEM1C 0.7-8 1.5 - - High fresh marsh
483 196 689407 3077494 1.28 78 97 PEM1C 0.7-4 - Dry 50 High fresh marsh
506 197 689390 3077510 1.47 71 75 U 0.4-1 - Dry 30 VBF (disturbed)
525 198 689376 3077523 1.58 19 33 U 0.5 0.5 - 65 VBF (disturbed)
544 199 689362 3077535 1.67 42 45 U 2-3.7 2 Dry 100 VBF
565 200 689346 3077549 1.49 10 17 U 1 1 - 95 VBF
585 201 689331 3077562 1.36 11 19 U 1.4->3 1.4 - - VBF
604 202 689317 3077575 1.73 27 40 U 1.8-3.8 1.8 Dry 100 VBF
625 203 689301 3077588 1.95 15 26 U 4.5 2 Dry 100 VBF
644 204 689286 3077601 2.07 7 13 U 1.5-2.8 2 Dry 100 VBF
664 205 689272 3077614 1.32 31 42 U 1.6-4 2.3 Damp 100 VBF
684 206 689257 3077628 2.03 41 50 U 6-7 - 2 standing water 80-100 on margin Low fresh marsh
705 207 689241 3077641 1.21 21 30 U 1.4->4 1.4 Damp 100 VBF
721 208 689230 3077653 1.07 33 40 U 0.8->2 - - - Disturbed VBF
745 113 689211 3077668 0.86 42 49 U 0.1-0.5 - Wet 100 High fresh marsh
765 114 689197 3077682 1.68 47 49 U 2->4 3.2 Dry 100 VBF
785 115 689181 3077695 1.07 13 19 E2EM1P 1-3.5 - Damp 100 VBF
806 116 689166 3077709 1.43 10 17 E2EM1P 1.6-3.5 - Damp 100 VBF
825 117 689152 3077722 1.32 18 28 E2EM1P 2.6-5 - Damp 100 VBF
846 118 689137 3077736 1.72 13 20 E2EM1P 2.2 2.2 - 100 VBF
865 119 689121 3077748 1.45 11 17 E2EM1P 2-3.7 - - 100 VBF
884 120 689107 3077760 1.55 51 66 E2EM1P 2.3 2.3 - 100 VBF
904 121 689092 3077774 1.37 21 33 E2EM1P 1.7-4.5 1.7 Damp 100 VBF
925 122 689077 3077789 1.26 24 40 E2EM1P - - Damp 100 VBF
944 123 689062 3077800 1.19 68 91 E2EM1P 1.8-3.4 1.8 Damp 100 VBF
965 124 689046 3077814 1.45 32 56 E2EM1P 1.6-3 - Damp 100 VBF
985 125 689032 3077828 0.54 200 199 E2EM1P 0.8-1 - Damp 100 VBF to high salt marsh
1004 126 689018 3077841 0.37 766 822 E2EM1P 0.7 0.7 Wet 100 High salt marsh
1024 127 689002 3077854 0.23 1767 1571 E2EM1P - - Damp - WTF
1044 128 688987 3077867 0.21 1788 1673 E2USP - - Damp - WTF
1065 129 688972 3077881 0.16 2029 1800 E2USP - - Damp - WTF
1084 130 688958 3077894 0.21 1138 1149 E2USP 0.2-0.6 - Damp 60 High salt marsh
1103 131 688943 3077906 0.73 331 527 E2USP 1.3-3 1.3 - - Low dune
1125 132 688927 3077920 0.32 1121 1222 E2USP 0.5 0.5 Damp 20 High salt marsh
1143 133 688913 3077932 0.97 245 360 U 1.7->4 1.7 - 100 Low dune
1164 134 688896 3077945 1.35 111 184 U 1.8-3 1.8 - 100 Low dune
1184 135 688883 3077959 1.54 43 79 U 1.3-5 1.3 Damp? 100 VBF
1204 136 688867 3077973 2.15 20 36 U 1-3.5 1 - 100 VBF
1224 137 688853 3077987 1.55 40 72 U 1.8-4 1.8 - 100 VBF
1240 138 688841 3077997 0.68 340 428 U 1.2-5.5 3 Damp 100 VBF WTF edge
1243 139 688838 3077999 0.42 956 707 U 0.6-2 1 Wet 80 High salt marsh
1265 140 688823 3078014 0.01 1747 1654 E2AB1P - - Very wet - Low WTF
1285 141 688807 3078027 0.04 1586 1505 E2AB1P - - Standing water 10 Low WTF
1306 142 688792 3078041 -0.11 1937 1732 E2AB1P 0.5 0.5 Standing water 0.2' 5 Low salt marsh
1323 143 688779 3078053 0.00 1989 1732 E2AB1P 0.8 0.8 Standing water 0.15 10-Jan Low WTF
1343 144 688763 3078065 0.03 2130 1828 E2AB1P - - Very wet - Low WTF
1364 145 688748 3078079 0.06 1828 1628 E2AB1P - - Very wet - Low WTF
1384 146 688733 3078092 0.03 2211 1732 E2AB1P - - Very wet - Low WTF
1404 147 688718 3078107 0.03 2178 1732 E2AB1P - - Very wet - Low WTF
1424 148 688703 3078120 -0.02 2057 1718 E2AB1P - - Very wet - Low WTF
1444 149 688688 3078133 -0.02 1868 1703 E2AB1P - - Standing water 0.1' 5 Low WTF
1463 150 688674 3078146 -0.05 2049 1717 E2AB1P 0.4 0.4 Standing water 0.2' 10 Low WTF
1485 151 688658 3078160 -0.01 1941 1769 E2AB1P - - Standing water 0.2' 10 Low WTF
1505 152 688643 3078174 -0.05 1888 1694 E2AB1P - - Standing water 0.2' 20 Low WTF
1525 153 688628 3078186 0.04 1828 1681 E2AB1P - - Standing water 0.2' - Low WTF
1544 154 688613 3078199 -0.04 1727 1496 E2AB1P - - Very wet - Low WTF
1558 155 688603 3078209 0.20 1035 1055 E2EM1P 0.7-0.8 - - 100 Low WTF
1563 156 688600 3078212 0.40 452 556 E2EM1P 0.8 0.8 Damp 100 High salt marsh
1585 157 688584 3078227 0.85 266 303 E2EM1P 1-2 2 - 100 VBF
1604 158 688569 3078239 1.23 60 107 E2EM1P 2.5->4 - - 100 VBF
1625 159 688553 3078254 1.41 49 85 U 2.5->5 2.5 - 100 VBF
1646 160 688537 3078267 1.90 14 22 U 2.5-3.8 2.5 Dry 100 Dune flank
1667 161 688522 3078281 1.98 14 23 U 2.0-4 2 - - Dune
1684 162 688509 3078293 1.33 39 61 U 2->5 2 Dry to damp 100 Dune flank
1706 163 688493 3078307 1.10 131 191 E2EM1P 2-4.5 2.5 Damp 100 VBF
1725 164 688479 3078320 0.89 599 609 E2EM1P 2.6 2.6 - 90 VBF
1743 165 688465 3078332 0.70 705 722 E2EM1P 2-3 2 Damp 80 VBF
1763 166 688450 3078345 0.69 731 812 E2EM1P 0.7-2 1.5 Damp 85 VBF
1784 167 688434 3078359 0.56 819 865 E2EM1P 0.2-1.4 0.7 - 100 High salt marsh
1806 168 688418 3078373 0.58 745 843 E2EM1P 0.4-1.8 0.8 - 90 High salt marsh
1824 169 688404 3078385 0.59 702 773 E2EM1P 0.6-1.5 0.6 Damp 90 High salt marsh
1846 170 688388 3078400 0.63 681 799 E2EM1P 0.4-1.2 1 - - High salt marsh
1865 171 688374 3078413 0.62 679 791 E2EM1P 0.4-1.8 0.9 - 100 High salt marsh
1884 172 688360 3078426 0.66 592 739 E2EM1P 0.4-2.3 0.7 Damp 100 High salt marsh
1905 173 688344 3078439 0.80 494 652 E2EM1P 2-3 2.5 Dry to damp 100 High salt marsh
1924 174 688330 3078453 0.84 288 449 E2EM1P 1.5-2.5 - Damp 85 High salt marsh
1931 175 688324 3078456 0.27 1485 1396 E2EM1P 0.3 0.3 Dry 20 High WTF
1944 176 688315 3078466 1.01 184 280 U 2 2 Dry to damp 100 VBF
1964 177 688300 3078479 1.31 157 237 U 2-4 2 Dry to damp - VBF
1985 178 688284 3078492 1.26 88 152 U 1.7-5 1.7 - - VBF
2006 179 688269 3078507 0.58 183 284 U 2-3 3 - - VBF
2023 180 688256 3078518 0.09 1301 1245 E2AB1P 1.2 1.2 Very wet 70 Low salt marsh
2041 181 688242 3078529 0.11 1391 1243 E2EM1N - - Shallow water 80 Low salt marsh
2066 182 688357 3078683 0.32 1139 1113 E2EM1N 0.1-3.5 2.5 Standing water 95 Low salt marsh
2171 184 688146 3078617 0.10 1041 985 E1UBL 0.4-2.9 1.5 Wet 100 Low salt marsh
2184 185 688135 3078625 0.09 1395 1171 E2EM1N 0.7-2.9 1 Wet 80 Low salt marsh
2192 183 688209 3078714 0.22 1313 1248 E2EM1N 1.3-5 2.4 Standing water - Low salt marsh
2204 186 688120 3078638 0.09 1457 1223 E2EM1N 0.5-2.4 2.4 Very wet 100 Low salt marsh
2225 187 688105 3078652 0.12 1469 1295 E2EM1N 0.8-2.2 1.8 Very wet - Low salt marsh
2245 188 688090 3078664 0.24 1465 1421 E2EM1N <0.1-2 - 0.1' standing water 100 Low salt marsh
2265 189 688075 3078678 0.1 1425 1464 E2EM1N 1.3 1.3 - 60 Low salt marsh
2285 190 688061 3078691 0.03 1747 1652 E2USN - - Wet - High WTF
2304 191 688046 3078705 0.08 1767 1788 E2USN - - Damp - High WTF
2324 192 688031 3078718 0.08 2251 1930 E2USN - - Damp - High WTF
2345 193 688016 3078732 0.07 2150 1949 E2USN - - Damp - High WTF
2364 194 688001 3078744 0.07 2211 1911 E2USN - - Damp - High WTF
2385 195 687986 3078758 0.09 2170 1950 E2USN - - Damp - High WTF
 
 
 
  Updated April 2, 2004