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- ===Alluvium=== Alluvium is more extensive than any other Quaternary deposit. The Somerset Levels, ( ...2 KB (415 words) - 11:37, 30 January 2018
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- ...ound station, where changes have been made to the modelled distribution of alluvium using borehole evidence. ...his locality because boreholes used in cross-section ''COL_WE_3 ''show the alluvium has been replaced with thick artificial ground. ]] ...1 KB (220 words) - 08:50, 19 October 2018
- ...t to which it acts as a confining layer to the underlying marine/estuarine alluvium is questionable. The overall groundwater flow direction, however, is predom ...ingress into the marine/estuarine alluvium (and partly also the lacustrine alluvium) or at peak flow to discharge towards the north along the ditches. This cre ...3 KB (549 words) - 08:38, 18 February 2016
- ...known south of Tewkesbury, where its base is about 65 m above the present alluvium surface. This is considered to be the outwash of the Severn valley glacier ...ses downstream; thus the Worcester Terrace (Second) disappears beneath the alluvium at Gloucester. ...3 KB (512 words) - 13:33, 30 January 2018
- ...e 11 shows the distribution of these units, with a transparency applied to alluvium (pale yellow) to show the extent of RTD1-XSV (orange) modelled underneath. ...n of first order river terrace deposits (RTD1-XSV) coloured orange beneath alluvium (pale yellow). ]] ...2 KB (238 words) - 13:12, 26 July 2021
- ===Alluvium=== Alluvium is more extensive than any other Quaternary deposit. The Somerset Levels, ( ...2 KB (415 words) - 11:37, 30 January 2018
- ...cial deposits in the model looking from the south. These are predominantly alluvium (yellow) and river terrace deposits (peach). ]] ... 3D view of all Artificial Deposits in Area 8 (grey) shown with Alluvium (yellow) and RTD 1, looking from the south. ]] ...2 KB (244 words) - 13:12, 26 July 2021
- Holocene sediments, comprising tidal flat deposits, peat and alluvium occupy the northern part of the study area forms a tract through the middle ...er Gowy floodplain. Boreholes prove that much of this peat is underlain by alluvium. ...2 KB (338 words) - 11:28, 16 March 2017
- File:P804629.jpg|Sections in alluvium in cutting for lock. File:P804630.jpg|Sections in alluvium in cutting for lock. ...5 KB (844 words) - 16:49, 12 October 2020
- ...or the purposes of this model, we have kept to the original mapping of the alluvium. * The unit ''unknd ''(Unknown Drift) is mapped as ‘Higher Estuarine Alluvium’ on the published Wells 1:50 000 geological map, and it is mapped as T ...4 KB (619 words) - 16:55, 16 February 2017
- ...the sequence in areas where it crops out adjacent to the modern floodplain alluvium. ...(Tilbury Marshes). These tidal deposits have not been differentiated from alluvium in this model, due to the close similarity in their lithologies and the gra ...4 KB (597 words) - 16:16, 11 March 2015
- ...The whole model looking from the South East. Artificial deposits in grey, Alluvium in yellow, River terrace deposits in orange, Till in blue, Glacial Fluvial ...721 bytes (99 words) - 13:15, 26 July 2021
- ...idence for the limit of the Late Pleistocene glaciation in the area, while Alluvium, Peat and Tidal Flat Deposits record the post-glacial landscape evolution. ...945 bytes (130 words) - 10:31, 22 September 2015
- ...nage superimposed on top. The relationship between Tidal Flat Deposits and Alluvium is poorly constrained and will largely be controlled by post-glacial fluctu ...3 KB (378 words) - 11:00, 22 September 2015
- ...t. The superficial cover includes head and scree deposits, peat and valley alluvium. The cleavage planes trend north-easterly and are subvertical to 60<sup>o</ |+ Effective infiltration (equal to base flow divided between alluvium and bedrock in the Afon Dulas catchment (after Glendining, 1981). ...7 KB (925 words) - 08:31, 18 February 2016
- ...rough to the superficial deposits of Tidal Flats (blue), Peats (brown) and Alluvium (yellow) (x10 vertical exaggeration). ]] ...1,003 bytes (146 words) - 16:55, 16 February 2017
- ...and bedrock geology units. The six modelled superficial deposits comprise alluvium and terrace gravels associated with the River Thames, which overlie three m ...918 bytes (132 words) - 08:50, 19 October 2018
- * Alluvium (alv_1) ...1 KB (163 words) - 14:30, 5 May 2015
- ...the river terrace deposits and Langley Silt, looking from the south-west. Alluvium is removed to enable the Shepperton Gravel to be seen (vertical exaggeratio ...907 bytes (138 words) - 08:50, 19 October 2018
- ...own, showing position of the shell beach which has been banked up over the alluvium of the small marsh between the headlands. ...iniature cliffs and outliers are formed by the sea cutting back across the alluvium of the stream valley. ...8 KB (1,381 words) - 13:36, 29 September 2020
- ...were assumed to extend beneath and match of the distribution of overlying alluvium and intertidal deposits in river channels except in estuaries were more con ...1 KB (178 words) - 10:12, 4 August 2021
- * The relationship between the Lake Deposits and Alluvium is poorly described and the large scale of the model means that this distin ...1 KB (206 words) - 10:34, 15 June 2015
- ...he DTM and exported as a grid of points. This grid has been trimmed by the alluvium surface distribution polygon (which was further buffered by 2 m around ...3 KB (535 words) - 16:55, 16 February 2017
- ...a are dominated by tidal flat deposits associated with the Mersey estuary. Alluvium and peat occur in the floodplain of the River Gowy that runs south to north ... – fluvial sand and gravel, yellow – river floodplain (alluvium) and coastal deposits. NEXTMap Britain elevation data from Intermap Technol ...3 KB (455 words) - 11:28, 16 March 2017
- == Alluvium == ...evel, for example at the bottom of Glen Iorsa, Arran; farther up the glen, alluvium covers the valley floor for a distance of over 5 km above Loch Iorsa. Small ...8 KB (1,358 words) - 11:23, 1 February 2018
- ===== Alluvium ( ) ===== ...f the alluvial tract in the broader streams. The soils associated with the alluvium are generally pale greyish brown silty clay, and can be very flinty in plac ...9 KB (1,423 words) - 15:22, 28 July 2015
- ...deposits is compounded by the fact that fluvioglacial deposits and modern alluvium are essentially reworked tills. Many of the borehole records will not conta ...ng gravels; rivers cutting into the gravels and tills and depositing their alluvium. From the perspective of predicting the presence or absence of each deposit ...3 KB (526 words) - 11:00, 22 September 2015
- ...aciation. Holocene sediments comprise estuarine tidal flat deposits, peat, alluvium and aeolian sand. These superficial deposits are characterised in a 3D geol ...1 KB (190 words) - 11:28, 16 March 2017
- After crossing the alluvium of the Darent Valley, and the stream itself, the Folkestone Beds of the Low ...ith hop-gardens and orchards, Tonbridge was reached, standing close to the Alluvium of the Medway. ...3 KB (563 words) - 19:58, 6 February 2022
- # Compaction of superficial deposits, in particular alluvium ==Compaction of superficial deposits in particular alluvium== ...9 KB (1,372 words) - 10:47, 29 November 2019
- ==== 6. Back Water: Alluvium ==== ...lluvial flat of the Back Water, a headstream of the Oldhamstocks Burn. The alluvium is a gravel formed of cobbles from the conglomerate, the cobbles becoming m ...5 KB (850 words) - 09:50, 7 November 2015
- | Alluvium ...2 KB (212 words) - 09:30, 8 March 2016
- ...low-lying terraces of rivers, sediments within enclosed basins, lacustrine alluvium, alluvial fans, and river terrace deposits. == Alluvium of floodplains and low-lying river terraces == ...13 KB (2,072 words) - 15:54, 31 January 2018
- ...o constrain the calculation in areas of few sections or thin units such as Alluvium or Head ...2 KB (240 words) - 10:18, 15 March 2018
- ...Thanet Formation) but have a connection to the most superficial deposits (Alluvium, River Terrace Deposits, Langley Silt Member and Kempton Park Gravel Member ...2 KB (257 words) - 08:51, 10 December 2019
- ...e River Aire Valley in an urban centre, much of the natural Holocene (e.g. Alluvium and River Terrace Deposits) and Devensian (e.g. glacial deposits such as Ti ...2 KB (243 words) - 13:15, 26 July 2021
- During the Holocene, Alluvium and Tidal Flat Deposits were deposited in the river valleys and Severn Estu ...lat Deposits'''. In the memoir these deposits are referred to as Estuarine Alluvium. The deposit mainly comprises blue clay with very subordinate silts, sands ...5 KB (835 words) - 10:59, 22 September 2015
- | Alluvium 1 ...2 KB (245 words) - 13:15, 26 July 2021
- ..., and is only revealed by excavations. The same forest was found under the alluvium in excavating the docks in and near the Isle of Dogs, and in excavations in ...4 KB (611 words) - 19:52, 6 February 2022
- | Alluvium | Marine or Estuarine alluvium ...4 KB (609 words) - 11:45, 10 August 2015
- ...entral well, from where water is abstracted. They are often constructed in alluvium, next to ephemerally dry ('sand') rivers, with the horizontal radials drill ...e water table to abstract shallow groundwater, usually from unconsolidated alluvium, including sand rivers, or windblown deposits. The trench drains into a sum ...5 KB (817 words) - 16:06, 7 May 2019
- ...rs of the River Teith, draining Loch Lubnaig and Loch Venachar. Spreads of alluvium also underlie the floodplain of the River Forth to the west of Aberfoyle. T ...5 KB (703 words) - 12:57, 29 July 2021
- * Alluvium (ALV) ...2 KB (267 words) - 16:55, 16 February 2017
- Glaciofluvial sand and gravel is present beneath alluvium in the Lower Tawe Valley and is interpreted to underlie tidal flat deposits ...2 KB (304 words) - 13:26, 15 February 2016
- ...oss the basin using available grain size distribution for the top 200 m of alluvium, and validated with several key hydrogeological studies of specific yield u ...stimated by integrating the specific yield across the top 200 m of the IGB alluvium (with the exception of the Bengal Basin where a depth of 350 m was used) an ...8 KB (1,124 words) - 12:06, 20 October 2015
- ...ell size, some units may appear patchy such as the thin sinuous units like Alluvium or Head for example. See section 3.3 for more details on checking these uni ...cur in any unit but is most likely to happen in thin sinuous units such as Alluvium or Head. For example, in Figure 20, the Alluvial envelope shows the extent ...12 KB (1,947 words) - 10:18, 15 March 2018
- ...r sections’ were added during the QA process to improve the calculation of alluvium. ...2 KB (400 words) - 08:50, 19 October 2018
- :: [[Alluvium, Quaternary, Bristol and Gloucester region|Alluvium]] ...5 KB (798 words) - 13:32, 30 January 2018
- ...the gravel at the base of the Brickearth and to note its junction with the Alluvium. It is suggested that what has been called the Fourth Terrace is, in this d ...ile:GA Image 0379.jpg|Figure 3]]) and there see the relative levels of the alluvium and the gravel belong- ing to the Brickearth Series. On the return notice H ...7 KB (1,113 words) - 16:02, 12 October 2020
- | style="background-color: #e4e043;" | Alluvium A total of seven superficial units are mapped/modelled. These comprise alluvium associated with the River Thames and its tributaries, four Thames terrace g ...7 KB (943 words) - 08:50, 19 October 2018
- | Main Freshwater Alluvium ...3 KB (369 words) - 11:56, 4 August 2021