@article {Barron2017,
	title = {High-resolution climate of the past \~{}7300 years of coastal northernmost California: Results from diatoms, silicoflagellates, and pollen},
	journal = {Quaternary International},
	year = {2017},
	pages = {-},
	abstract = {Abstract Piston core TN062-O550, collected about 33~km offshore of Eureka, California, contains a high-resolution record of the climate and oceanography of coastal northernmost California during the past \~{}7.34~kyr. Chronology established by nine \{AMS\} ages on a combination of planktic foraminifers, bivalve shell fragments, and wood yields a mean sedimentation rate of 103~cm~kyr-1. Marine proxies (diatoms and silicoflagellates) and pollen transported by the nearby Eel River reveal a stepwise development of both modern offshore surface water oceanography and coastal arboreal ecosystems. Beginning at \~{}5.4~cal ka the relative abundance of coastal redwood pollen, a proxy for coastal fog, displays a two fold increase suggesting enhanced coastal upwelling. A decline in the relative contribution of subtropical diatoms at \~{}5.0~cal ka implies cooling of sea surface temperatures (SSTs). At \~{}3.6~cal ka an increase in the relative abundance of alder and oak at the expense of coastal redwood likely signals intensified riverine transport of pollen from inland environments. Cooler offshore \{SSTs\} and increased precipitation characterize the interval between \~{}3.6 and 2.8~cal ka. A rapid, stepwise change in coastal climatology and oceanography occurs between \~{}2.8 and 2.6~cal ka that suggests an enhanced expression of modern Pacific Decadal Oscillation-like (PDO) cycles. A three-fold increase in the relative abundance of the subtropical diatom Fragilariopsis doliolus at 2.8~cal ka appears to mark an abrupt warming of winter SSTs. Soon afterwards at 2.6~cal ka, a two fold increase in the relative abundance of coastal redwood pollen is suggestive of an abrupt intensification of spring upwelling. After \~{}2.8~cal ka a sequence of cool-warm, PDO-like cycles occurs wherein cool cycles are characterized by relative abundance increases in coastal redwood pollen and decreased contributions of subtropical diatoms, whereas opposite proxy trends distinguish warm cycles.},
	issn = {1040-6182},
	doi = {http://doi.org/10.1016/j.quaint.2016.10.039},
	url = {http://www.sciencedirect.com/science/article/pii/S1040618216300866},
	author = {John A. Barron and David Bukry and Linda E. Heusser and Jason A. Addison and Clark R. Alexander}
}
