Flood Mapping

Erosion Mapping

Erosion mapping is based on SMP1 Process and Management Units

Reference maps below, click for enlarged map and management unit descriptions:

• Hurst to Durlston Erosion Mapping Assumptions (109kb)

• Erosion Mapping Scenario discussion document (530kb) - provides an analysis of shoreline response assuming the scenarios of No Active Intervention (NAI) and With Present Management (WPM) with descriptions based on the maps below.

Maps - no map is larger than 4mb file size

Process Unit

Management Unit Scenario: NAI

Management Unit Scenario: WPM

This scenario has considered that there is no expenditure on maintaining or improving defences and that defences will therefore fail at a time dependent upon their residual life:

This scenario has considered that all existing defence practices will continue, accepting that considerable improvement may be required in order to maintain their integrity and effectiveness:

DUR-SWA

DUR1 to SWA2 No Active Intervention

DUR1 to SWA2 With Present Management

SWA

SWA3 & SWA4 No Active Intervention

SWA3 & SWA4 With Present Management

SWA-STU

SWA5 STU1 & STU2 No Active Intervention

SWA5 STU1 & STU2 With Present Management

STU

STU3 No Active Intervention

STU3 With Present Management

PHB

PHB1_A No Active Intervention

PHB1_A With Present Management

PHB1_B No Active Intervention

PHB1_B With Present Management

PHB2 & 3 No Active Intervention

PHB2 & PHB3 With Present Management

PHB4_A & STU4 No Active Intervention

PHB4_A & STU4 With Present Management

PHB4_B No Active Intervention

PHB4_B With Present Management

PHB4_C No Active Intervention

PHB4_C With Present Management

PHB4_D No Active Intervention

PHB4_D With Present Management

PHB4_E No Active Intervention

PHB4_E With Present Management

PHB4_F No Active Intervention

PHB4_F With Present Management

PHB5_A No Active Intervention

PHB5_A With Present Management

PHB5_B No Active Intervention

PHB5_B With Present Management

PHB5_island1 No Active Intervention

PHB5_island1 With Present Management

PHB5_island2 No Active Intervention

PHB5_island2 With Present Management

PHB5_island3 No Active Intervention

PHB5_island3 With Present Management

PHB6 & PHB7 No Active Intervention

PHB6 & PHB7 With Present Management

PHB8 No Active Intervention

PHB8 With Present Management

PHB9 & PHB11 No Active Intervention

PHB9 & PHB11 With Present Management

PHB10 No Active Intervention

PHB10 With Present Management

PHB12 No Active Intervention

PHB12 With Present Management

PHB13 & PHB14 No Active Intervention

PHB13 & PHB14 With Present Management

PHB15-17 & PBY1a_A No Active Intervention

PHB15-17 & PBY1a_A With Present Management

PBY

PBY1a_B No Active Intervention

PBY1a_B With Present Management

PBY1b_A No Active Intervention

PBY1b_A With Present Management

PBY1b_B No Active Intervention

PBY1b_B With Present Management

PBY1b_C No Active Intervention

PBY1b_C With Present Management

PBY1b_D No Active Intervention

PBY1b_D With Present Management

PBY2 No Active Intervention

PBY2 With Present Management

PBY3 & CBY1 No Active Intervention

PBY3 & CBY1 With Present Management

CHB

CHB1-5 No Active Intervention

CHB1-5 With Present Management

CBY

CBY2_A No Active Intervention

CBY2_A With Present Management

CBY2_B No Active Intervention

CBY2_B With Present Management

CBY3 (high tide) No Active Intervention

CBY3 (high tide) With Present Management

CBY3 (low tide) No Active Intervention

CBY3 (low tide) With Present Management

CBY4 (high tide) No Active Intervention

CBY4 (high tide) With Present Management

CBY4 (low tide) No Active Intervention

CBY4 (low tide) With Present Management

CBY5 No Active Intervention

CBY5 With Present Management

CBY6 No Active Intervention

CBY6 With Present Management

CBY7 & LYM1 No Active Intervention

CBY7 & LYM1 With Present Management

Please report any linking errors to Sarah Austin