Environmental Engineering Reference
In-Depth Information
Table 13.1
(Continued)
Data type
Description
Purpose
Supplier
Soil type review
Availability of data on soil types. Assessment of cost and
bene
Determination of runoff
CEH/BGS/Cran
eld
t of collecting additional data
Assessment of in
ltration potential
University
Geological data review
Availability of data on geological formations beneath
and around the study catchment including the
presence of permeable and impermeable strata, their
dip and strike and locations of outcrops
Identify the potential for in
ltration in the catchment
BGS/LA
Assessment of cost and bene
t of collecting additional
Identi
cation of the potential down-hill impacts of
data
in
ltration systems in hilly and undulating catchments
Ground slope review
Availability of data on ground slopes. Assessment of cost
and bene
Assessment of potential for SUDS systems
t of collecting additional data
Groundwater review
Review of presence of perched and deep groundwater
tables
Assessment of potential for SUDS systems
EA
Aerial photography
review
Availability and epochs of aerial photography.
Assessment of cost and bene
t of collecting additional
data
De
ning urban morphology; impermeable surfaces,
surface vegetation for permeable surfaces for runoff
model
LA
De
ning urban creep and its impact on current and
future performance
Short-term sewer
ow
survey data
Availability of data for validating enhanced drainage
models. Assessment of cost and bene
t of additional
short-term
ow survey data in sewers and watercourses
Validation of integrated drainage models
WSP
Roof drainage data
Availability of deposited plans and any calculations from
building control
Assessment of potential impacts of climate change on
ood risks in buildings resulting from inadequate roof
drainage
LA
Assessment of cost and bene
t of obtaining additional
data
Inputs to building drainage models
Inputs to integrated drainage models where there is
signi
cant contribution from large buildings
Building drainage data
Availability of deposited plans and any calculations from
building control
Assessment of potential impacts of climate change on
LA
ood risks in and around buildings resulting from
inadequate building drainage
Assessment of cost and bene
t of obtaining additional
data
Inputs to integrated drainage models where there is
signi
cant contribution from large buildings
BGS, CEH, DEM, digital elevation model; DTM, digital terrain model; EA, Environment Agency; Ins, insurance companies; LA, local authority; MO, SUDS, WSP, Cran
eld University,
