Robert Thieler
1 / 13

Robert Thieler - PowerPoint PPT Presentation

  • Uploaded on

Robert Thieler. USGS Research Geologist. America’s Coastal Crisis coastal population and development are increasingly vulnerable to coastal hazards. Past, Current and Projected Sea-level Rise. (modified after Bindoff, 2007; Rahmstorf, 2007). Time Scales of Coastal Change.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
Download Presentation

PowerPoint Slideshow about 'Robert Thieler' - nay

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Slide1 l.jpg

Robert Thieler

USGS Research Geologist

Slide2 l.jpg
America’s Coastal Crisis coastal population and development are increasingly vulnerable to coastal hazards

Slide3 l.jpg

Past, Current and Projected Sea-level Rise

(modified after Bindoff, 2007; Rahmstorf, 2007)

Slide4 l.jpg

Time Scales of Coastal Change

Short-term Variance

(hours to decade)

Storm impact/recovery

Annual cycles

El Niño

Long-term Trend

(decades to centuries)

Sediment deficit or surplus

Sea-level rise

Coastal vulnerability to sea level rise a preliminary national assessment l.jpg
Coastal Vulnerability to Sea-level Rise:A Preliminary National Assessment

Vulnerability Ranking

Coastal vulnerability studies in the national parks l.jpg
Coastal Vulnerability Studiesin the National Parks

Study sites in the Contiguous U.S.

Study sites in Hawaii, Alaska, and U.S. Territories

Sleeping Bear Dunes NL

Kenai Fjord NP

Glacier Bay NPP

Kaloko-Honokohau NHP

NP of American Samoa

Virgin Islands NP

War in the Pacific NHP

Cape Cod NS

Fire Island NS

Gateway NRA

Gulf Islands NS

Cape Hatteras NS

Cumberland Island NS

Assateague Island NS

Dry Tortugas NP

Padre Island NS

Channel Islands NP

Golden Gate NRA

Point Reyes NS

Olympic NP

Apostle Islands NL

Indiana Dunes NL

Slide7 l.jpg


Help Managers

Plan For Hazards

Cape Alava

Sand Point

Norwegian Memorial

Slide8 l.jpg

Eastern North Carolina

Elevation source: 30-m DEM

Elevation source: 3-m lidar data

Dark blue: Land ≤ 1 meter in elevation

Light blue: Area of uncertainty associated with 1 meter elevation

Slide9 l.jpg

Wetland Vertical Development

Mineral sediment deposition

Plant matter accumulation - soil (root production/decomposition)



Coastal Wetlands Respond

Dynamically to Environmental Change

R. Carlson

D. Cahoon

D. Cahoon

Slide10 l.jpg

Mid-Atlantic Assessment of Potential

Dynamic Coastal Responses to Sea-level Rise

Bluff erosion


Island Breaching

Threshold Crossing

(Gutierrez et al., 2007)

Slide11 l.jpg

USGS North Carolina Coastal Geology Cooperative Program

Oregon Inlet

A regional, multi-collaborator effort to

understand and predict coastal change

and hazards



Cape Lookout

(NASA photo)

Slide12 l.jpg

Coastal Erosion Hotspots and Geology are Related

Kitty Hawk Bay

Paleo-Roanoke River ChannelPasses Under Kitty Hawk