The Bulbourne Project Is Hailed a Success
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Observations on the Bourne Gutter 2014 Approx.)
valley bottom from Bourne End to White Hill as valley gravels. Most likely these fluvial deposits are Late Devensian in age (26-12 ka Observations on the Bourne Gutter 2014 approx.). A synthesis of ideas and contemporary understanding of the hydrology in the area is detailed by Catt (2010, Chapter 9). In 2012 the summer was wet Nicholas Pierpoint and limited flow was observed in the Bourne Gutter from March The exceptionally high rainfall experienced in the flow in 2014, attempts to correlate local rainfall to April 2013. In the winter of southern England in the winter of 2014 has been data with corresponding flow periods, and for interest 2013/14 heavy rainfall resulted in well documented and described widely in the press. replicates some of the flow measurements documented full stream flow from the Banks For some in the Thames Valley this was traumatic. by Glennie (1960, 1962). Stream discharge data were Rise (SP 989051, Photo 1) all the However in west Hertfordshire it was interesting acquired using a Valeport Electromagnetic Flow Meter way to the confluence with the to see flow again in the Bourne Gutter, which flows at four stations. They were chosen to establish the flow River Bulbourne at Bourne End Photo 1. Banks Rise – pool/source of the Gutter. as a consequence of exceptional seasonal rainfall. contribution from Mounts Rise and identify if there (Photo 6). Chalk Rock is shown on Observational notes describing the extent of the flow was any contribution from the swallow-hole at Bottom the valley floor at Banks Rise on from 4 March to 23 April in 2013 were documented by Farm. -
South West Hertfordshire Level 1 Strategic Flood Risk Assessment
South West Hertfordshire Level 1 Strategic Flood Risk Assessment Final Report March 2019 www.jbaconsulting.com SWH Strategic Flood Risk Assessment Stage 1 i Fiona Hartland 8A Castle Street Wallingford Oxfordshire OX10 8DL Revision history Revision Amendments Issued to Ref/Date 2018s0161 SW Draft Report Three Rivers Hertfordshire District Council L1 SFRA v1.0 / Dacorum Borough 27/03/2018 Council St. Albans City and District Council Watford Borough Council Hertfordshire County Council Thames Water Canal and River Trust 2018s0161 SW Draft Report –DBC, SADC, Environment Hertfordshire TDC, WBC, CRT comments Agency L1 SFRA v2.0 / incorporated 20/03/2018 2018s0161 SW Final Draft Report – HCC Three Rivers Hertfordshire comments incorporated. District Council L1 SFRA v3.0 / Dacorum Borough 02/05/2018 Council St. Albans City and District Council Watford Borough Council Hertfordshire County Council Canal and River Trust 2018s0161 SW Final Report – Cumulative Three Rivers Hertfordshire Impacts Assessment District Council L1 SFRA v4.0 / (incorporating comments SWH Strategic Flood Risk Assessment Stage 1 i Revision Amendments Issued to Ref/Date from HCC and EA) and Dacorum Borough London Colney model Council outputs included St. Albans City and District Council Watford Borough Council Contract This report describes work commissioned by Claire May, on behalf of Three Rivers District Council, by an email dated 31 January 2018. Nathan Chapman, Emily Jones and Fiona Hartland of JBA Consulting carried out this work. Prepared by ............................. -
River Restoration and Chalk Streams
River Restoration and Chalk Streams Monday 22nd – Tuesday 23rd January 2001 University of Hertfordshire, College Lane, Hatfield AL10 9AB Organised by the River Restoration Centre in partnership with University of Hertfordshire Environment Agency, Thames Region Report compiled by: Vyv Wood-Gee Countryside Management Consultant Scabgill, Braehead, Lanark ML11 8HA Tel: 01555 870530 Fax: 01555 870050 E-mail: [email protected] Mobile: 07711 307980 ____________________________________________________________________________ River Restoration and Chalk Streams Page 1 Seminar Proceedings CONTENTS Page no. Introduction 3 Discussion Session 1: Flow Restoration 4 Discussion Session 2: Habitat Restoration 7 Discussion Session 3: Scheme Selection 9 Discussion Session 4: Post Project Appraisal 15 Discussion Session 5: Project Practicalities 17 Discussion Session 6: BAPs, Research and Development 21 Discussion Session 7: Resource Management 23 Discussion Session 8: Chalk streams and wetlands 25 Discussion Session 9: Conclusions and information dissemination 27 Site visit notes 29 Appendix I: Delegate list 35 Appendix II: Feedback 36 Appendix III: RRC Project Information Pro-forma 38 Appendix IV: Project summaries and contact details – listed 41 alphabetically by project name. ____________________________________________________________________________ River Restoration and Chalk Streams Page 2 Seminar Proceedings INTRODUCTION Workshop Objectives · To facilitate and encourage interchange of information, views and experiences between people working with projects and programmes with strong links to chalk streams and activities or research that affect this environment. · To improve the knowledge base on the practicalities and associated benefits of chalk stream restoration work in order to make future investments more cost effective. Participants The workshop was specifically targeted at individuals and organisations whose activities, research or interests include a specific practical focus on chalk streams. -
Strategic Regional Water Resource Solutions: Preliminary Feasibility Assessment
Strategic regional water resource solutions: Preliminary feasibility assessment Gate-1 submission for Grand Union Canal Transfer SRO Date: 05 July 2021 Template version: draft 10, 9 February 2021 ST Classification: OFFICIAL PERSONAL Attention: Mr Paul Hickey Managing Director Regulators’ Alliance for Progressing Infrastructure Development Ofwat City Centre Tower 7 Hill Street Birmingham B5 4UA 01 July 2021 Grand Union Canal (GUC) SRO Gate 1 Submission Dear Paul Affinity Water, Severn Trent Water and the Canal & River Trust are pleased to submit our gate-1 report for the GUC Transfer Strategic Resources Option (SRO). The report outlines how we have developed this SRO since its approval in the PR19 Final Determination, and the key steps we intend to take in gate-2. Through this SRO and our proposals for the Minworth SRO, we intend to transfer water from Minworth wastewater treatment works to the Grand Union Canal and into the Affinity Water supply area, supporting customers in the South East of England with up to 100Ml/d of water in times of need. We are proposing to upgrade the Grand Union Canal for the transfer, and to abstract, store and treat the water downstream before it enters Affinity Water’s supply area. Utilising existing canal infrastructure will allow us to provide value for money and to enhance the recreational value of the canal for local people. Our cross-industry team, including personnel from Affinity Water, Severn Trent Water and the Canal & River Trust, has been delighted to make this contribution to strengthening the UK’s water infrastructure and creating a legacy of resilient water resources for future generations. -
Dacorum Borough Council, St Albans District Council, Three Rivers District Council, Watford Borough Council Strategic Flood Risk Assessment
Location Plan:- Markyate Flood Storage Area Embankment % Markyate RRiivveerr TThhaammee Harpenden Tring Redbourn RRiivveerr VVeerr Berkhamstead Hemel Hempstead St Albans Colney Heath London Colney RRRiiivvveeerrr LLL LLLeeeeee (((UUUppp pppppp WWaaatttfffooorrrddd pppeeerrr))) WWaaatttfffooorrrddd RRRiicicckkkmmaaannnssswwooorrrttthhh DDaaccoorruumm BBoorroouugghh CCoouunncciill RRiivveerr GGaaddee Legend:- SStt.. AAllbbaannss DDiissttrriicctt CCoouunncciill Legend:- Council Boundary RRiivveerr VVeerr Watercourse Centre Line EElllleenn BBrrooookk RRiivveerr BBuullbboouurrnnee Grand Union Canal Main Defences eee lllnnn Catchment Boundary ooo CCC rrr eee MMiimmmmsshhaallll BBrrooookk Reservoirs Hemel Hempstead iiivvv MMiimmmmsshhaallll BBrrooookk RRR Flood Relief Culvert RRiivveerr GGaaddee WWaattffoorrdd BBoorroouugghh CCoouunncciill RRiivveerr CChheessss TThhrreeee RRiivveerrss DDiissttrriicctt CCoouunncciill RRiivveerr CCoollnnee Lower Colne Hartsbourne Flood Storage Area Improvement Scheme Works Embankment Chess Wall 0 3 6 kilometres This map is reproduced from Ordnance Survey material with the permission of Ordnance Survey on behalf of the Controller of Her Majesty's Stationery Office © Crown copyright. Unauthorised reproduction infringes Crown copyright and may lead to prosecution or civil proceedings. Dacorum Borough Council. 100018935, (2007). Project:- DACORUM BOROUGH COUNCIL, ST ALBANS DISTRICT COUNCIL, THREE RIVERS DISTRICT COUNCIL, WATFORD BOROUGH COUNCIL STRATEGIC FLOOD RISK ASSESSMENT Dacorum Borough Council Three Rivers District Council St Albans District Council Watford Borough Council Civic Centre Three Rivers House Council Offices, Civic Centre Town Hall Tile A1:- Marlowes Northway St Peters Street Watford LOCATION PLAN Hemel Hempstead Rickmansworth St Albans Herts, WD17 3EX Herts, HP1 1HH Herts, WD3 1RL Herts, AL1 3JE Drawn By :- A J Bryan Revision Drawing Scale :- 1:75,000 Drawing No. :- WN/CBAD/DRAWING - 033 www.halcrow.com A Rev. By Date Description Windsor House Britannia Road Checked By :- L R Markeson Sheet No. -
Eb18a Hertfordshire London Arc Jobs Growth and Employment Land Report 2009 Appendices
Broxbourne, Dacorum, Hertsmere, St. Albans, Three Rivers, Watford and Welwyn Hatfield Councils HERTFORDSHIRE LONDON ARC JOBS GROWTH AND EMPLOYMENT LAND Volume 2 Appendices March 2009 ROGER TYM & PARTNERS Fairfax House 15 Fulwood Place London WC1V 6HU t (020) 7831 2711 f (020) 7831 7653 e [email protected] w www.tymconsult.com This document is formatted for double‐sided printing. P1850 CONTENTS VOLUME 1 – FINAL REPORT VOLUME 2 – APPENDICES Appendix 1 – Note on Forecasting Appendix 2 – Previous Site Assessments Appendix 3 ‐ Commitments Data Appendix 4 – Business Space Sectors Appendix 5 – Land Supply & Demand 06‐31 Appendix 6 – Workshop Notes APPENDIX ONE Note on Forecasting FORECASTING METHOD The model used in generating employment forecasts for this report was developed in 2007 for EEDA. Known as the East of England Forecasting model, it is a computer-based set of data for the common variables and a system for modelling the inter-relationships between these variables, with the capacity to generate forecasts and scenarios for each the variables at regional and local scales. The model is constructed primarily on an Excel spreadsheet and can thus be run on any personal computer. The economic relationships underpinning the model were primarily derived from Oxford Economics commercially available Regional Economic Model. Additional estimation at a local level was carried out for this project and applied to the Excel model. A full description of the model is contained in the final report for the EEDA project ‘East of England: Joint Modelling for the RES and RSS’, on the EEDA website at www.eeda.org.uk/files/Joint_RES-RSS_modelling_final.pdf. -
Development of Grand Junction Canal in Berkhamsted, 1760-1825 This
Development of Grand Junction Canal in Berkhamsted, 1760-1825 This step in the national transport revolution was conducted under the shadow of the French Revolutionary War in 1793 when coastal shipping became vulnerable and movement of goods was brought inland. Earlier successful canal- building ventures had captured the attention of investors and speculators; canal mania was underway and local aristocracy and gentry were in the forefront, influencing decisions about transport, either to exploit mineral wealth or to ensure that traffic was diverted outside their estates (unless they could see advantages with allowing passage across their land). The Grand Junction Canal was particularly versatile in handling full size narrow boats and barges; it was the longest wide-gauge canal in Britain and traders benefited from lower transport costs for non-time-dependent and bulky items. Before the canal Whereas there was a usable road before the turnpike, the River Bulbourne was not commercially viable for bulk carriage of freight prior to the canal. It was referred to as a winterbourne river in the upper reaches because it often dried out during the summer.1 An analysis of peat deposits has revealed that an undeveloped area adjacent to the river was waterlogged and boggy from early times, probably due to the construction of the millpond at Upper Mill which was one of two mills recorded in Domesday.2 It was this tendency to flood that caused severe problems for the town that were alleviated only with the arrival of the canal. The Bridgewater family was influential in the affairs of the turnpike trust, but the Duke of Bridgewater was better known as the “father of inland navigation”.3 The Bridgewater Canal connected his coal mines at Worsley with the river Mersey and opened up new markets for his coal. -
Understanding Flood Risk in Dacorum Borough
1 Appendix C: Understanding flood risk in Dacorum Borough 1.1 Dacorum Borough Dacorum Borough covers an area approximately 212km² and has a population of approximately 153,0001. There are 25 wards within the borough, the largest of which is Apsley and Corner Hall with a population of approximately 10,2002. Other sizeable wards include Bovingdon, Flaunden & Chipperfield, Chaulden & Warners End and Leverstock Green. The Chilterns dominate the north of the borough amongst agricultural land. The southern and eastern areas are urbanised by small villages and hamlets with the two large towns of Hemel Hempstead and Berkhamsted. 1.2 Hydrology The principal watercourses (Appendix A) in the borough are as follows: • River Gade (source located in the central band of the borough) • River Bulbourne (source located near Northchurch) • River Ver (begins in the grounds of Lynch Lodge, Kensworth Lynch) • Tring Bourne (minor watercourse located to the north-west) There are numerous tributaries to these watercourses including Main Rivers, The Grand Union Canal, smaller Ordinary Watercourses and unnamed watercourses. A summary of watercourses within the Borough is provided in Appendix A. Following the EA’s Management Catchments, Dacorum Borough lies within the Thames and Chilterns South catchment in the north-west, and the Colne catchment which forms the majority of the borough. The Thame and Colne are the EA Operational Catchments within the borough. Average rainfall within the borough at Rothamsted No2 (nearest climate station) indicates average annual rainfall of 712mm which is relatively dry compared to the rest of the UK3. 1.3 Topography The topography of the Borough primarily comprises a plateau of elevated land which form the Chilterns to the north and north west of the borough linked with the valley slopes of the Rive Gade and River Bulbourne. -
HERTFORDSHIRE WATER STUDY 2017 HERTFORDSHIRE COUNTY COUNCIL Infrastructure & Resources, Sub-Catchment Solutions (2021 – 2051)
HERTFORDSHIRE WATER STUDY 2017 HERTFORDSHIRE COUNTY COUNCIL Infrastructure & Resources, Sub-catchment Solutions (2021 – 2051) MARCH 2017 VERSION CONTROL Version Date Author(s) Checker Approver Comments D1 18/11/2016 Simon Ainley / Aimee Hart Neil McClung R Gunasekara Draft Issue D2 15/03/2017 Simon Ainley / Aimee Hart Neil McClung R Gunasekara 1st Issue 7.3 Identification of Water Infrastructure Options ..................... 38 CONTENTS 8 DISTRICT SUMMARIES .......................................... 42 1 EXECUTIVE SUMMARY ............................................ 4 8.1 Chiltern ..................................................................................... 43 2 STUDY PARTNERSHIP ............................................. 5 8.2 Dacorum ................................................................................... 48 8.3 East Hertfordshire ................................................................... 53 3 WATER VISION FOR HERTFORDSHIRE ................. 1 8.4 Hertsmere ................................................................................. 58 3.1 Principles of the Vision ............................................................. 1 8.5 North Hertfordshire ................................................................. 63 4 BACKGROUND .......................................................... 1 8.6 St Albans .................................................................................. 68 4.1 Overview ..................................................................................... 1 8.7 Stevenage................................................................................ -
RECREATION and AMENITY SURVEYS of IDENTIFIED LOW FLOW RIVERS PART 2 : MAPS and PHOTOGRAPHS REPORT (Part 2 of 2) Martin Cooke
RECREATION AND AMENITY SURVEYS OF IDENTIFIED LOW FLOW RIVERS PART 2 : MAPS AND PHOTOGRAPHS REPORT (Part 2 of 2) Martin Cooke September 1993 NRA-Thames Region E n v ir o n m e n t Ag e n c y NATIONAL LIBRARY & INFORMATION SERVICE HEAD OFFICE Rio House. Waterside Drive. Aztec West. Almondsbury. Bristol BS32 4UD ENVIRONMENT AGENCY CONTENTS Page No. 1. INTRODUCTION 1 1.1 Maps 1 1.2 Photographs 2 2. MAPS AND PHOTOGRAPHS 3 2.1 River Gade to confluence with River Bulbourne. 4 2.2 River Bulbourne to confluence with River Gade. 16 2.3 Ampney Brook from Ampney Park to confluence with Thames. 29 2.4 River Cherwell from Grimsbury intake to Banbury SW outfall. 39 2.5 White Brook and Maidenhead Ditch. 49 2.6 River Beane. 54 2.7 River Mimram. - _ =, = 72 2.8 River Wye above High Wycombe SW. 91 2.9 River Churn. 104 2.10 River Whitewater. 129 1. INTRODUCTION 1.1 Maps For each river surveyed 1:10,000 Ordnance Survey maps were used for recording the locations from which photographs were taken and other features of interest which needed to be noted. The maps also enabled 4 figure grid references to be taken which accurately recorded the location of for example odour and refuse. The maps are reproduced in this report at a scale of 1:10,000 with the location of information relevant to this survey and photograph locations being clearly shown. The maps are shown in order from the start of the survey of the river at their upstream point to the end of the survey downstream. -
Dacorum Borough Council St Albans City & District Council Three Rivers
Dacorum Borough Council St Albans City & District Council Three Rivers District Council Watford Borough Council Strategic Flood Risk Assessment Volume I August 2007 Halcrow Group Limited Dacorum Borough Council St Albans City & District Council Three Rivers District Council Watford Borough Council Strategic Flood Risk Assessment Volume I August 2007 Halcrow Group Limited Halcrow Group Limited Windsor House Queensgate Britannia Road Waltham Cross Hertfordshire EN8 7NX Tel +44 (0)1992 707100 Fax +44 (0)1992 760594 www.halcrow.com Halcrow Group Limited has prepared this report in accordance with the instructions of their client, Dacorum Borough Council St Albans City & District Council Three Rivers District Council Watford Borough Council, for their sole and specific use. Any other persons who use any information contained herein do so at their own risk. © Halcrow Group Limited 2007 Dacorum Borough Council St Albans City & District Council Three Rivers District Council Watford Borough Council Strategic Flood Risk Assessment Volume I Contents Amendment Record This report has been issued and amended as follows: Issue Revision Description Date Signed 1 0 Draft Final Report June 07 PLW 1 1 Draft Final Report August 07 PLW 2 0 Final Report August 07 PLW Halcrow Group Limited Windsor House Queensgate Britannia Road Waltham Cross Hertfordshire EN8 7NX Tel +44 (0)1992 707100 Fax +44 (0)1992 760594 www.halcrow.com Contents Foreword 1 Executive Summary 2 1 Introduction 5 1.1 Overview 5 1.2 Study Area 5 2 SFRA Approach & Methodology 10 2.1 SFRA Aims -
Area 114.Qxd
TRING GAP FOOTHILLS summarysummary assessment evaluation guidelines area114 area 114 District Map showing location of LANDSCAPE CHARACTER AREA Tring ©Crown copyright .All rights reserved. Hertfordshire County Council LA076678 2003 Berkhamsted Hemel Hempstead LOCATION KEY CHARACTERISTICS The area lies between the Tring Reservoirs to the north west • views to the Chilterns escarpment and the Chiltern escarpment to the south east. The area • framing and containment by wooded scarp slopes includes the town of Tring and extends to the head of the • arterial transport corridor including; west coast main line, River Bulbourne at Cow Roast. A41, Grand Union Canal and Akeman Street • mixed open farmland LANDSCAPE CHARACTER • parkland landscapes at Tring Park and Pendley Manor A transitional landscape between the low lying Aylesbury • urban fringe influences around Tring including; residential Vale and the Chilterns. The landforms, based on the sports pitches and a garden centre underlying chalk geology are generally gently undulating • recreational routes including the Grand Union Canal Walk but with stronger local expressions, particularly at the and the Ridgeway interface with the elevated Chiltern escarpment. As its name suggests the area is also the focus of a number of key DISTINCTIVE FEATURES communication corridors including; canal, road and rail. The • brick and flint estate walling and Victorian lodges to Tring town of Tring is centrally located within the area. Park • Tring Park Mansion • Tring Park grasslands • Pendley Manor/Farm and parkland • Pitstone Hill chalk pit • disused Wendover Arm of Grand Union Canal • Tring Park (J. Billingsley) Dacorum Landscape Character Assessment pg 80 TRING GAP FOOTHILLS summary assessment evaluation guidelines area 114 PHYSICAL INFLUENCES Geology and soils.