A multi-century tree-ring record of spring flooding on the Mississippi River

In this study, we present a novel, annually-resolved tree-ring record of spring flooding based on anatomically anomalous “flood rings” preserved in trees growing about 60 km downstream of the Mississippi and Ohio River confluence. Our chronology records 39 flood-ring years between 1770-2009 including nearly all of the observed significant floods of the 20th century as well as severe floods documented in prior centuries.Therrell, M.D., Bialecki, M.B., A multi-century tree-ring record of spring flooding on the Mississippi River, Journal of Hydrology (2014),
doi: http://dx.doi.org/10.1016/j.jhydrol.2014.11.005

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Dendrochronological potential of Millettia stuhlmannii in Mozambique

This study investigates whether M. stuhlmannii is potentially useful for dendrochronology— that is whether this species forms annual growth rings that are responsive to external forcing such as climate.Results of this study indicate that M. stuhlmannii is a potentially useful species for dendrochronology.Trees DOI 10.1007/s00468-014-1150-7

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Oxygen Isotopes in Tree-Rings in Zimbabwe

Our study has demonstrated that α-cellulose δ18O values in in tree-rings of Pterocarpus angolensis growing in Zimbabwe are accurate recorders of meteoric water δ18O, both seasonal and annual precipitation amounts, and summer mean temperature.

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AAG New Orleans

My colleagues and I will be giving talks and hosting sessions on Paleofloods at next weeks AAG meeting. Come hear all about it! Past Perspectives on River Environments 1: Flood Reconstructions in Locations Outside the U.S. Napoleon B2, Sheraton 3rd Floor 08:00 am Past Perspectives on River Environments 2: Flood Reconstructions in the Mississippi River

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Increasing community resilience in coastal watersheds of Alabama…

Super excited that US EPA will be funding our project on streamflow reconstruction in Alabama watersheds (Increasing community resilience in coastal watersheds of Alabama by risk assessment of past, present and future trends in hydrologic and hydroclimatic extremes). It is imperative that Alabama develop a comprehensive state water policy and understanding the long-term variability of

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Moss Rock Preserve

Took my physical geography class up to Moss Rock Preserve to check out the Fort Payne sandstone glades. There are some really nice old growth longleaf pine up there as well as very old looking virginia pines and some blackjack oak. There are some great waterfalls in the park as well.

Temporal and spatial patterns of sedimentation within the batture lands of the middle Mississippi River, USA

Another cool article led by our collaborator Jon Remo at SIU as part of our Mississippi River flood ring project. It explores the spatiotemporal patterns, rates, and volume of sedimentation within the batture lands along the middle Mississippi River (MMR; between the confluence of the Missouri and Ohio rivers) using several approaches including dendrogeomorphological methods.   https://doi.org/10.1016/j.geomorph.2018.02.010  

Letourneau Woods, KY

James and I went up to southwestern Kentucky to sample a bottomland hardwood site for our Mississippi River flood ring project. There were some really nice overcup oak in there but most were not nearly as old as we had hoped. Still an amazing bottomland site and glad KY is protecting it.

Bucks Pocket

  James and I went up to Bucks Pocket State Park to sample white oak for flood scars for the Tennessee River paleoflood project we are part of. It was just what you would expect in July in Alabama-hot and sweaty! But we made a great collection that is going to result in some really

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