OR/15/038 Appendix 2 - Elevation survey data

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Gareth Farr (with contributions from Luz Ramos Cabrera). 2015. Nedern Brook Wetland SSSI Phase 1 hydrological monitoring. British Geological Survey Internal Report, OR/15/038.
Survey Easting Northing Z Z accuracy (m) Comments Date
3 348674 189360 4.547 0.016 Dipwell DW2 toc. Water level 0.9 mbtoc = 3.647 maOD – toc height above groundlevel 0.179 m = 3.468 maOD water level) 30.09.2014
4 348675 189361 4.626 0.017 Piezometer P3 toc. Water level 0.96 mbtoc = 3.66 maod – toc height above GL 0.22 m = 3.446 maOD water level. Water level logger installed at 1.5 mbtoc = 3.126 datum for logger in P3 30.09.2014
7 348638 189368 5.033 0.14 Dipwell D1 toc. Water level 0.95 mbtoc = 4.083 – toc height above GL 0.321 = 3.762 moAD water level. 30.09.2014
8 348638 189368 4.968 0.015 Piezometer P1a. Water level 0.97 mbtoc = 3.998 mbtoc – toc height above GL 0.256 = 3.742 maOD water level. 30.09.2014
9 348638 189369 4.832 0.014 Piezometer P1 toc (water level 0.82 mbtoc = 4.012 – toc height above GL 0.12 m = 3.892 maOD water level. 30.09.2014
10 348638 189369 4.712 0.017 Ground level near P1, D1 and P1a0 30.09.2014
11 348612 189364 5.563 0.016 Bank Near the Nedern and dipwells and piezometers (groundlevel) 30.09.2014
12 348607 189364 4.499 0.016 Nedern Brook near survey 11 (no flow in Nedern at this point) 30.09.2014
13 348685 189307 na na Barologger Location (on fence post) 30.09.2014
14 348430 189486 5.66 0.018 US Monitoring Point (logger suspended 1.63 m of wire thus datum 4.03 maOD. Dip at time of installation was 1.17 m or 4.49 maOD rest water level in Brook. (water level) 30.09.2014
15 348163 189925 4.771 0.014 Lower Whirly Hole (near centre and base of depression whilst dry) 30.09.2014
20 348846 188400 5.621 0.02 Palaeochannel south of SSSI near castle car park (water level) 27.11.2014
20 348846 188400 6.52 0.029 DS Monitoring Point (datum on bridge). At time logger suspended 2.08 m below datum thus logger datum is 4.43 maOD. Rest water level at the time of installation was 2.01 mb or 4.51 maOD rest water level. No flow in Nedern at this point. (water level) 30.09.2014
21 348674 188591 5.08 0.048 DS Nedern Monitoring Point (water level) 27.11.2014
22 348685 188740 5.507 0.397 Nedern Brook level by bridge (water level) 27.11.2014
23 348601 188825 5.287 0.213 Nedern Brook level by bridge on Mr Brooms Land (water level) 27.11.2014
24 348655 189272 6.187 0.052 Dipwell/Piezometer water level correction point (about 50 m south of dipwells) (water level) 27.11.2014
25 347387 190052 6.158 0.018 Nedern Brook on Slough Farm Mr Bennett (water level) 27.11.2014
26 347944 189919 5.307 0.008 Nedrn Brook on Slough Farm Mr Bennett — recorded to compare to flooded area adjacent but not connected to Nedern see survey 27 27.11.2014
27 348032 189922 5.221 0.03 Flood to east of Nedern Brook (Survey 26) taken just to compare elevation. Nedern Brook is slightly higher in this area. (water level) 27.11.2014
28 348166 189918 5.253 0.012 Lower Whirly Hole (water level) 27.11.2014
29 348431 189487 5.473 0.021 US Nedern Monitoring Point (water level) 27.11.2014
32 348844 188396 5.5.8 0.018 Palaeochannel south of SSSI near castle car park (water level) 18.12.2014
33 348674 188592 5.071 0.028 DS Nedern Monitoring Point (water level) 18.12.2014
35 348686 188740 5.102 0.052 Stone Bridge (water level) 18.12.2014
36 348597 188825 5.057 0.022 Small wooden footbridge (water level) 18.12.2014
37 348654 189275 5.249 0.013 Dipwell/Piezometer water level correction point (about 50 m south of dipwells) (water level) 18.12.2014
38 348431 189487 5.25 0.04 US Nedern Monitoring Point (water level) 18.12.2014
39 348012 189901 5.33 0.196 Nedern by small culvert (water level) 18.12.2014
40 348166 189918 5.162 0.178 Lower Whirly Hole (water level) 18.12.2014
42 348985 187260 7.182 0.013 Nedern outflow (survey point is the concrete structure below the yellow winch box) (water level) 18.12.2014
42 348985 187260 3.623 Outflow of Nedern: water level (measured down from the datum point) (water level) 18.12.2014
43 348854 188509 5.96 0.021 Gate on Mr Brooms land East side of Nedern (water level) 16.1.2015
44 348674 188591 5.983 0.033 DS Nedern Monitoring Point (water level) 16.1.2015
45 348720 188704 5.927 0.025 Small section poss part of palaeochannel? (water level) 16.1.2015
46 348686 188740 6.09 0.067 Stone Bridge — levels very high and water blocking up against it and flowing overland (water level) 16.1.2015
47 348622 188821 6.055 0.023 Small wooden footbridge (water level) 16.1.2015
48 348644 188908 6.029 0.027 Flood level next to footpath leading up to Mr Brooms main fields 16.1.2015
49 348684 189062 bad Gate on Mr Brooms land East side of Nedern (water level) 16.1.2015
51 348655 189272 6.116 0.018 Dipwell/Piezometer water level correction point (about 50 m south of dipwells) (water level) 16.1.2015
52 348846 188400 5.883 0.016 Palaeochannel south of SSSI near castle car park (water level) 16.1.2015
53 348780 188391 5.901 0.02 Nedern at Bridge by carpark — good flow (water level) 16.1.2015
54 348431 189487 6.062 0.028 US Nedern Monitoring Point (water level) 16.1.2015
55 348417 189460 6.996 0.018 Storm Drain flow about1. 5–2 l/s (location) 16.1.2015
56 347711 190079 6.359 0.018 Flooded land on Slade Farm (water level) 16.1.2015
57 347708 190069 6.289 0.019 Adjacent to Point 56 River Nedern (water level) 16.1.2015
58 347339 190038 6.774 0.027 Nedern Adjacent to upper whirly hole (water level) 16.1.2015
59 347808 189993 6.045 0.019 Flood on land adjacent to point 58 (water level) 16.1.2015
60 347949 189965 6.082 0.017 Nedern on slough Farm where it joins flooding (water level) 16.1.2015
61 347961 189984 6.033 0.018 Flood opposite point 60 (water level) 16.1.2015
62 348058 190002 6.317 0.015 SPRING. Not recorded before — seepage across about 5 m of fence line into Nedern (location) 16.1.2015
63 348166 189918 6.042 0.015 Lower Whirly Hole (water level) 16.1.2015
64 348834 188127 5.888 0.036 Nedern at main road flowing out of Country park — good flow no obstructions no ponding of water (water level) 16.1.2015
65 347192 189995 7.65 0.041 Nedern at Tyne Cottages (concrete lip in channel) 27.1.2015
66 347192 189995 7.511 0.041 Nedern at Tyne Cottages WATER LEVEL use this to correct stilling well data (INSTALL date) 27.1.2015
67 34192 18995 7.37 0.041 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
68 347192 18995 7.261 0.046 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
69 347192 189996 7.16 0.038 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
70 347192 189996 7.194 0.056 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
71 347192 189997 7.064 0.029 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
72 347192 189997 7.347 0.083 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
73 347192 189998 7.255 0.027 Nedern at Tyne Cottages (river bed profile left to right) 27.1.2015
84 348781 188390 5.276 0.023 Nedern at Bridge by car park — good flow (water level) 27.1.2015
85 349030 187690 5.217 0.024 Nedern in Industrial Estate good flow (water level) 27.1.2015
86 348983 187257 5.143 0.017 Nedern outflow — measure of water level — however tide was in so level is reflection of sea level. 27.1.2015
89 348781 188390 5.023 0.076 Nedern at Bridge by car park — good flow (water level) 12.2.2015
90 348846 188400 5.619 0.051 Palaeochannel south of SSSI near castle car park (water level) 12.2.2015
91 348674 188591 4.916 0.041 DS Nedern Monitoring Point (water level) 12.2.2015
92 348622 188821 4.94 0.019 Small wooden footbridge (water level) 12.2.2015
93 348684 189062 5.16 0.041 Gate on Mr Brooms land East side of Nedern (water level) 12.2.2015
94 348655 189272 5.207 0.037 Dipwell/Piezometer water level correction point (about 50m south of dipwells) 12.2.2015
95 348431 189487 5.095 0.016 US Nedern Monitoring Point (water level) 12.2.2015
98 347799 189979 5.04 0.024 Slough Farm Upper Flood Limit of Nedern (water level) 12.2.2015
99 348166 189918 5.246 0.022 Lower Whirly Hole (water level) 12.2.2015
100 348135 189913 5.267 0.027 small seepage (observed only as Nedern Recedes) 12.2.2015
101 348127 189913 5.186 0.051 small seepage (observed only as Nedern recedes) 12.2.2015
102 348781 188390 4.853 0.02 Nedern at Castle Car Park (flow visible) (water level) 18.3.2015
103 348846 188400 5.5 0.016 Palaeochannel south of SSSI near castle car park (water level) 18.3.2015
104 348674 188591 5.036 0.035 DS Nedern Monitoring Point (water level) 18.3.2015
105 348686 188740 4.93 0.014 Stone Bridge (water level) 18.3.2015
106 348622 188821 4.954 0.01 Wood bridge (water level) 18.3.2015
107 348684 189062 5.043 0.014 Gate on Mr Brooms land East side of Nedern (water level) 18.3.2015
108 348655 189272 5.043 0.014 Dipwell/Piezometer water level correction point (about 50 m south of dipwells) 18.3.2015
110 348431 189487 5.001 0.046 US Nedern Monitoring Point (water level) 18.3.2015
112 347192 189995 8.329 0.056 Nedern at Tyne Cottages (flow) (water level) 18.3.2015
113 347795 189937 5.359 0.033 Slough Farm top of flooded extent (water level) 18.3.2015
114 348166 189918 5.207 0.019 Lower Whirly Hole (wet with discharge visible) (water level) 18.3.2015
115 348007 189905 5.163 0.023 Nedern adjacent to drain on Slough Farm (water level) 18.3.2015
116 348781 188390 4.643 0.039 Nedern at Castle Car Park (flow visible) (water level) 01.5.2015
117 348674 188591 4.575 0.021 DS Nedern Monitoring Point (water level) 01.5.2015
118 348686 188740 4.763 0.073 Stone Bridge (water level) 01.5.2015
119 348622 188821 4.614 0.014 Wood bridge (water level) 01.5.2015
121 348431 189487 4.632 0.014 US Nedern Monitoring Point 01.5.2015
123 348254 189529 3.856 0.02 residual pool in small hollow (water level) 01.5.2015
124 348275 189509 3.902 0.03 residual pool in small hollow (water level) 01.5.2015
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