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  3. Metals and PAHs in watershed soil and reef sediment at Olowalu and leeward Maui, February 2022
  4. Elemental chemistry, radionuclides, and charcoal in watershed soil and reef sediment at Olowalu, Maui, 2022

Elemental chemistry, radionuclides, and charcoal in watershed soil and reef sediment at Olowalu, Maui, 2022

Dates

Publication Date
Start Date
2022-02-12
End Date
2022-02-17

Citation

Takesue, R.K., Falinski, K., Hodges, A., Deakos, M., and Storlazzi, C.D., 2024, Metals and PAHs in watershed soil and reef sediment at Olowalu and leeward Maui, February 2022: U.S. Geological Survey data release, https://doi.org/10.5066/P92N5DT3.

Summary

Fine-sediment elemental chemistry, short-lived cosmogenic radionuclides (Beryllium-7, Cesium-137, and Lead-210), charcoal counts, and total organic carbon contents were quantified to describe urban and wildfire effects and land-based sediment sources and runoff to Olowalu Reef in February 2022.

Contacts

Point of Contact :
PCMSC Science Data Coordinator
Originator :
Renee K Takesue, Kim Falinski, Amy Hodges, Mark Deakos, Curt D Storlazzi
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Pacific Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards

Attached Files

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OlowaluWatershedReef2022_compositions_metadata.xml
“Metadata describing data table”
Original FGDC Metadata
View 		60.42 KB application/fgdc+xml
pic_UKU.jpeg
“Picture of Ukumehame Gulch above Olowalu Reef” 		thumbnail 1.5 MB image/jpeg
OlowaluWatershedReef2022_compositions.csv
“Data table of soil compositions and organic carbon” 		21.67 KB text/csv

Purpose

Olowalu Reef on the leeward shore of Maui, Hawaii, is the largest and best developed reef tract on the island and provides coral larvae for distal reefs. Olowalu Reef and its watershed are under increasing anthropogenic pressure in the form of land-based sediment and nutrient runoff, coral bleaching events, and frequent wildfires. Sediment provenance and wildfire contaminants were quantified in Olowalu watersheds and reef sediment to explore linkages between human activities, wildfire and potentially harmful runoff to Olowalu reef communities. The USGS Coastal and Marine Hazards and Resources Program gratefully acknowledges support from The Nature Conservancy, Maui Nui Marine Resource Council, and the Hawaii Association for Marine Education and Research, Inc.
Picture of Ukumehame Gulch above Olowalu Reef
Picture of Ukumehame Gulch above Olowalu Reef

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  • Pacific Coastal and Marine Science Center

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