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Page 1: Hydromorphology in Holocene Age Dunal Landscapes. · Hydromorphology in Holocene Age Dunal Landscapes. Annie Rossi and Martin C. Rabenhorst In cooperation with: USDA-NRCS . The Mid

Hydromorphology in Holocene Age Dunal Landscapes.

Annie Rossi and Martin C. Rabenhorst In cooperation with:

USDA-NRCS The Mid-Atlantic Hydric Soils Committee (MAHSC)

Page 2: Hydromorphology in Holocene Age Dunal Landscapes. · Hydromorphology in Holocene Age Dunal Landscapes. Annie Rossi and Martin C. Rabenhorst In cooperation with: USDA-NRCS . The Mid

General Research Strategy

BayOcean

Page 3: Hydromorphology in Holocene Age Dunal Landscapes. · Hydromorphology in Holocene Age Dunal Landscapes. Annie Rossi and Martin C. Rabenhorst In cooperation with: USDA-NRCS . The Mid

General Research Strategy

Soil Surface Seasonally High Water Table

TP3

TP2

TP1

Burried A or O horizon

OSL Core

Page 4: Hydromorphology in Holocene Age Dunal Landscapes. · Hydromorphology in Holocene Age Dunal Landscapes. Annie Rossi and Martin C. Rabenhorst In cooperation with: USDA-NRCS . The Mid

10 transects established 6 sites in Barrier Core 4 sites in Overwash Zone

Low

Mid High

Page 5: Hydromorphology in Holocene Age Dunal Landscapes. · Hydromorphology in Holocene Age Dunal Landscapes. Annie Rossi and Martin C. Rabenhorst In cooperation with: USDA-NRCS . The Mid

Instrumentation

• Install at each transect • Water table wells • Soil temperature probes • IRIS tubes (maybe Eh)

• Measure at the site • Air temperature • Precipitation

Page 6: Hydromorphology in Holocene Age Dunal Landscapes. · Hydromorphology in Holocene Age Dunal Landscapes. Annie Rossi and Martin C. Rabenhorst In cooperation with: USDA-NRCS . The Mid

• To recognize and understand the development of diagnostic morphological characteristics of hydric soils on barrier island landscapes

– Measurements of water tables and reducing conditions

– Comparisons with soil morphology

Morphological Data Collection

Low Mid

High

Oa AC

Cg1

Cg2

Cg3

Oe A

C

Cg1

CA

C1

C2


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