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Filtering by: "digitalpublishing@northwestern.edu" Subject Earth and Planetary Sciences

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Carbon Cycling of Glaciated Landscapes on Modern and Geologic Timescales: Investigation with Strontium and Carbon Isotope Geochemistry

Description:

The studies presented in this dissertation combine radiogenic and stable strontium isotope ratios (87Sr/86Sr and 88/86Sr, respectively), radiogenic and stable carbon isotope ratios (Δ14C and 13C, respectively), and bulk ion geochemistry to trace the sources and cycling of C in three glaciated environments (New Zealand, Iceland, and Greenland). A primary...

Keyword:

Geochemistry

Subject:

Earth and Planetary Sciences

Creator:

Margaret Unterman

Owner:

Scholarly Digital Publishing

Date Uploaded:

01/25/2019

Date Modified:

01/25/2019

Date Created:

2017-01-01

Resource Type:

Dissertation
Lithosphere-Asthenosphere Structure of East Asia from Ambient Noise Tomography

Description:

One seismologist’s noise is another seismologist’s signal. What was once disregarded is now routinely processed as dense arrays of broadband seismometers continuously record small amplitude Earth motions, presenting an immense wealth of data. This dissertation presents three projects where ambient seismic noise, generated by ocean wave interactions with the solid...

Keyword:

Interferometry, Seismology, and Tomography

Subject:

Earth and Planetary Sciences

Creator:

Michael Witek

Owner:

Scholarly Digital Publishing

Date Uploaded:

01/25/2019

Date Modified:

01/25/2019

Date Created:

2017-01-01

Resource Type:

Dissertation