David Fastovich

David Fastovich
  • University of Wisconsin–Madison

About

12
Publications
2,431
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76
Citations
Current institution
University of Wisconsin–Madison

Publications

Publications (12)
Article
Full-text available
Effective water resource management in the western United States (WUS) is possible only with accurate monitoring and forecasting of seasonal snowpacks. Seasonal snowpack, a major water source for the WUS, is declining due to anthropogenic climate change. Overprinted on this trend is year-to-year variance in snowpack extent and mass due to influence...
Preprint
Full-text available
Climate and ecosystems exhibit dynamic behavior across various timescales, but existing studies often focus on singular timescales when examining ecosystem responses to climate. Here we develop a conceptual and analytical framework using spectral analysis that examines a continuum of timescales, from hundreds to hundreds of thousands of years. By c...
Article
Full-text available
The Atlantic meridional overturning circulation (AMOC) has caused significant climate changes over the past 90 000 years. Prior work has hypothesized that these millennial-scale climate variations effected past and contemporary biodiversity, but the effects are understudied. Moreover, few biogeographic models have accounted for uncertainties in pal...
Preprint
Full-text available
Westerly winds from the eastern equatorial Pacific direct moisture into the Western Cordillera of the northern tropical Andes, where subsequent orographic lifting creates the wettest regions in the world. The Choco low-level jet is emblematic of broader westerly winds in this region and is projected to weaken by the end of the 21st century, but cli...
Article
Full-text available
Motivation: We have little understanding of how communities respond to vary- ing magnitudes and rates of environmental perturbations across temporal scales. BioDeepTime harmonizes assemblage time series of presence and abundance data to help facilitate investigations of community dynamics across timescales and the re- sponse of communities to natur...
Article
Here we seek to establish the spatial fingerprints of precipitation and temperature changes in eastern North America during the Younger Dryas and explore the role of meltwater forcing in producing this pattern. Our analyses integrate a network of 42 fossil pollen records and 27 other hydroclimate proxy records, three AOGCM experiments with an impos...
Article
Full-text available
Plain Language Summary The Younger Dryas, circa 12,900 to 11,700 years ago, is a hemispheric abrupt climate change event that occurred at rates similar to those projected by the 21st century. Its cause has been linked to a reduction in northward oceanic heat transport in the Atlantic that led to Northern Hemispheric cooling and Southern Hemispheric...
Article
Full-text available
In the southern Great Lakes Region, North America, between 19,000 and 8,000 years ago, temperatures rose by 2.5–6.5°C and spruce Picea forests/woodlands were replaced by mixed‐deciduous or pine Pinus forests. The demise of Picea forests/woodlands during the last deglaciation offers a model system for studying how changing climate and disturbance re...
Article
Understanding the drivers of vegetation dynamics and no-analog communities in eastern North America is hampered by a scarcity of independent temperature indicators. We present a new branched glycerol dialkyl glycerol tetraether (brGDGT) temperature record from Bonnet Lake, Ohio (18–8 ka) and report uncertainty estimates based on Bayesian linear reg...

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