During the Medieval Climate Anomaly (MCA), Western North America experienced episodes
of intense aridity that persisted for multiple decades or longer. These megadroughts are well …

Dune fields of Quaternary age occupy large areas of the world's arid and semiarid regions.
Despite this, there has been surprisingly little work done on understanding dune sediment …

Untitled Page 1 Page 2 GEOMORPHOLOGY OF DESERT DUNES Sand dunes cover up to a
quarter of many desert regions. Determining the factors that determine their shape, size and …

Dune fields and loess deposits of the Great Plains of North America contain stratigraphic
records of eolian activity that can be used to extend the short observational record of …

Terrestrial and marine late Holocene proxy records from the western and central US suggest
that climate between approximately 500 and 1350 ad was marked by generally arid …

Aeolian dune fields have been described on Earth, Mars, Venus and Titan. The plethora of
data returned from recent planetary missions has enabled a new era in planetary …

Abstract The INQUA Dunes Atlas project has developed a global digital database of
chronological information for periods of inland or continental sand dune accumulation and …

This paper examines the role of soil moisture in quantifying drought through the
development of a drought index using observed and modeled soil moisture. In Nebraska …

This study investigates the relationship between North Atlantic sea surface temperatures
(SST) and persistent drought in North America using modern observations, proxy paleo …

Laboratory studies of ripples and dunes show robust relations between bedform geometry
and both fluid flow conditions and grain size. These empirical relations are derived at …