Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

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Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes Olivia Miller

description

Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes . Olivia Miller. Previous work. Sr ratio in soil water taken up by the trees moves towards that of water (.71). . ( Goran , 1994). ( Grousset and Biscaye , 2005). Dust landing on snow. - PowerPoint PPT Presentation

Transcript of Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

Page 1: Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

Olivia Miller

Page 2: Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes
Page 3: Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

Previous work

(Grousset and Biscaye, 2005) (Goran, 1994)

Sr ratio in soil water taken up by the trees moves towards that of water (.71).

Page 4: Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

Dust landing on snow

Black = observedPurple = modeled without dust

• Earlier melt and less runoff• Dust increases with drought and soil

disturbance

~85% of SLC water comes snowmelt water

Page 5: Tracing dust provenance and paleoclimate in the Wasatch Mountains using strontium isotopes

Deficiencies my study will address

Where is the dust coming from?Can we see the dust record in tree rings?Is the dust source changing over time?