1. InVEST Blue Carbon Model
USGS

2. Model Specifics Inputs Outputs Biophysical Biophysical
Carbon storage (Mg C/ha)
Carbon sequestration (Mg C/ha/yr)
Economic value of carbon storage and sequestration
Maps of nearshore marine veg.
Amt. stored in 4 carbon ‘pools’
Aboveground biomass
Belowground biomass
Sediments
Dead organic matter
Rate of carbon accumulation in sediments for each veg. type
Market or social value of seq. carbon
Annual rate of change and a discount rate
Economic (optional)
Economic (optional)

3. InVEST Blue Carbon model
Estimates:
How much carbon is stored in coastal vegetation and sediments
Carbon accumulation in the sediments
Economic value of storage and sequestration

4. Blue Carbon Lit Review
Mangrove Accumulation Rate (tons of CO2e/ha/yr)

5. Freeport, TX : Land Use/ Land Cover ‘Marsh’ (store carbon)
Blue Carbon Model Process
Freeport, TX : Land Use/ Land Cover
‘Marsh’ (store carbon)
No Carbon
Ignore
Transitional Salt Marsh Irregularly flooded marsh Regularly Flooded Marsh Vegetated Tidal Flat 
Developed Dry Land Undeveloped Dry Land Estuarine Water Tidal Creek Open Ocean Tidal Flat
Cypress Swamp Inland Fresh Marsh Tidal Fresh Marsh Mangrove Estuarine Beach Ocean Beach Ocean Flat Rocky Intertidal Inland Open Water Riverine Tidal Open Water Inland Shore Tidal Swamp Backshore Nontidal Swamp
Transitional Salt Marsh Irregularly flooded marsh Regularly Flooded Marsh Vegetated Tidal Flat Developed Dry Land Undeveloped Dry Land Estuarine Water Tidal Creek Open Ocean Tidal Flat

6. FREEPORT, TEXAS

7. InVEST Blue Carbon Inputs
FREEPORT, TEXAS
(Dow Chemical Plant)
SCENARIOS: No
Management
High
Green
2006
2025
2050
2075
2100
Sea Level Affecting Marshes Model (SLAMM)
SLAMM
Outputs
InVEST Blue Carbon Inputs

8. Transitional Matrix (% change over 25-year period) 7 25 50 3.57
% accumulation
% loss
no change (0%)
(% change over 25-year period)
Transitions to… (t2)
Starts as… (t1)
Transitional Salt Marsh
Irregularly flooded marsh
Regularly Flooded Marsh
Vegetated Tidal Flat
Developed Dry Land
Undeveloped Dry Land
Estuarine Water
Tidal Creek
Open Ocean
Tidal Flat 7 25 50
3.57
No change
No change
Tidal Flat

9. NO MANAGEMENT (2006 – 2100) HIGH GREEN (2006 – 2100)
Emissions
Sequestration
HIGH GREEN (2006 – 2100)
Emissions
Sequestration
No Management
High Green
4,031,180
4,172,370
-1,170,580
684,276
-7,403,690
-5,525,100
-7,609,020
-8,663,600
100-Year Total:
-12,152,100
-9,332,050

10. InVEST Blue Carbon in Galveston Bay – Preliminary Results

11. InVEST Blue Carbon in Galveston Bay – Preliminary Results