Regional Sediment Management

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Regional Sediment Management
for balanced, sustainable solutions
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Regional Sediment Management
Regional Sediment Management is fitting each
of our sediment management actions into the
context of a regional strategy.
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Regional sediment management illustration
Our interest is often at the project or local
scale
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But, often a project is ONE OF MANY projects in
a region, including other Federal, State, and
local projects.
PERDIDO PASS
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Regional sediment management illustration
Perdido Pass
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Regional sediment management illustration
Management actions
Regional Context
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Regional Sediment Management
Requires stakeholder partnering technology.
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Stakeholder Objectives
Navigation
Wildlife
Recreation
Storm Protection
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Regional Sediment Management
TOOLS
SOLUTIONS
PROCESSES
RESEARCH DEVELOPMENT PROGRAM
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Morphological features
Space scales
Time scales
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Regional Sediment Management RD
Tools
What are the regional impacts of sediment
management within the system?

• Software
• Screening tools
• Large time- space- scale models
• Hydrodynamic sediment transport models

simple
complex
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Time Space Scales of Morphological Modeling
TIME SCALE
MICRO
MEGA
sec-min
decade-century
g
r
a
MICRO
ins
mm-cm
R
E
S
E
P
L
O
A
N
S
C
E
S
,


S
P
E
A
C
Cascade
C
A
E
P
S
l
m
a
r
o
g
r
e
p
-
h
s
o
c
l
MEGA
a
o
l
e
g
sub-regional
y

c
regional
h
a
n
g
e
turbulence
sea level rise
wave climate
FORCING PROCESS
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Selected Components of Cascade
Also fluvial input, offshore inputs, submarine
canyon losses, etc.
wind-blown sand washover
Nav. channel
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Regional Sediment Management RD
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ADH ADaptive Hydraulics
Where gradients are steep, the grid is refined to
keep the solution accurate.
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Airborne Coastal Mapping Charting
Joint Airborne Lidar Bathymetry Technical Center
of Expertise
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Regional Sediment Management
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Regional Sediment Management

• Additional Research
• Infrastructure for data
• Applications for data analysis
• Frameworks for model integration
• Systems to enhance product usability
• Knowledge Management
• Decision Support

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Regional Sediment Management

• Decision Support
• Developing stakeholder objectives
• Formulating management alternatives
• Forecasting many possible futures
• Evaluating outcomes

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www.wes.army.mil / rsm
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Technology Transfer
RSM Newsletter can be viewed from the website
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Regional Sediment Management
RSM RD Program Program Manager Jack
Davis Jack.e.davis_at_erdc.usace.army.mil RSM
Demonstration Program Manager Julie
Rosati Julie.d.rosati_at_erdc.usace.army.mil