KMap
Expertise Environmental isotopes as tracers of hydrologic and surficial geologic processes and as dating tools; development of the surface exposure dating method based on cosmogenic 36CL accumulation in materials exposed to cosmic radiation at the Earth's surface; solute transport in porous media using tracers to characterize transport properties of geological formations; groundwater dating; past global climate change and its record in the lithosphere and hydrosphere. Study areas include the high Arctic, the Great Basin, the Wind River, Range and Hawaii; Eastern and Northwestern Africa

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Courses
  • H
    Hydrogeology

  • WSE
    Water Science and the Environment

Grants
  • Funding agency logo
    MSI: The COsmic-ray Soil Moisture Observing System (COSMOS)

    Principal Investigator (PI)

    2009

    $5.4M
  • Funding agency logo
    Determination of Soil Water Content at Intermediate Spatial Scale Using Cosmic-Ray Neutrons: Field Application

    Principal Investigator (PI)

    2007

    $345.3K
  • Funding agency logo
    Collaborative Research: A Proposal for the Cosmic-Ray produced Nuclide Systematics on Earth (CRONUS-Earth) Project

    Principal Investigator (PI)

    2005

    $594.1K
News
  • UA Awarded $5.45M for Network to Improve Weather Forecasting

    2009

  • President Shelton's State of the University Address

    2009

  • Former Hydrology Head to be Honored With Life Member Award

    1999

Publications (126)
Recent
  • The International Soil Moisture Network: Serving Earth system science for over a decade

    2021

  • Using Additional Moderator to Control the Footprint of a COSMOS Rover for Soil Moisture Measurement

    2021

  • Cosmic Ray Neutron Soil Moisture Estimation Using Physically Based Site-Specific Conversion Functions

    2020

  • A dense network of cosmic-ray neutron sensors for soil moisture observation in a highly instrumented pre-Alpine headwater catchment in Germany

    2020

  • Chlorine degassing constrained by cosmogenic 36Cl and radiocarbon dating of early Holocene rhyodacitic lava domes on Erciyes stratovolcano, central Turkey

    2019

  • Development and assessment of the SMAP enhanced passive soil moisture product

    2018

  • Cosmic-ray hydrology: principles and detectors

    2018

  • Validation of Spaceborne and Modelled Surface Soil Moisture Products with Cosmic-Ray Neutron Probes

    2017

  • Cosmic-ray neutron probes for satellite soil moisture validation

    2017

  • Cosmic-ray neutron transport at a forest field site: The sensitivity to various environmental conditions with focus on biomass and canopy interception

    2017

  • Assessment of Version 4 of the SMAP Passive Soil Moisture Standard Product

    2017

  • Dating Young Lava Flows with Cosmogenic 36Cl: AN Example from the Late Pleistocene-Early Holocene ERCIYES Monogenetic Lava Domes in Central Turkey

    2017

  • Development and validation of the SMAP enhanced passive soil moisture product

    2017

  • Status and perspectives on the cosmic-ray neutron method for soil moisture estimation and other environmental science applications

    2017

  • Land-surface hydrology with cosmic-ray neutrons: principles and applications

    2016

  • Evaluation of the validated Soil Moisture product from the SMAP radiometer

    2016

  • The Soil Moisture Active Passive Marena, Oklahoma, In Situ Sensor Testbed (SMAP-MOISST): Testbed Design and Evaluation of In Situ Sensors

    2016

  • Innowacyjna metoda pomiaru wilgotnosci gleby z zastosowaniem neutronow kosmicznych; trzy lata funkcjonowania czujnika na poludniowym Podlasiu [An innovative method of measuring soil moisture using cosmic-ray neutrons: three years of work of the sensor in southern Podlasie]

    2016

  • Modeling cosmic ray neutron field measurements

    2016

  • Pleistocene megaflood landscapes of the Channeled Scabland

    2016

  • Assessment of the SMAP Passive Soil Moisture Product

    2016

  • The CRONUS-Earth Project: A synthesis

    2016

  • Can canopy interception and biomass be inferred from cosmic-ray neutron intensity? Results from neutron transport modeling

    2016

  • Nowa metoda pomiaru wilgotnooeci gleby z wykorzystaniem neutronów kosmogenicznych

    2015

  • Fairy chimney erosion rates on Cappadocia ignimbrites, Turkey: Insights from cosmogenic nuclides

    2015

  • Footprint characteristics revised for field-scale soil moisture monitoring with cosmic-ray neutrons

    2015

  • New method for measuring soil moisture using cosmogenic neutrons [Nowa metoda pomiaru wilgotnos̈ci gleby z wykorzystaniem neutronów kosmogenicznych]

    2015

  • Calibration and validation of the COSMOS rover for surface soil moisture measurement

    2014

  • Cosmic-ray hydrometeorology

    2014

  • Timing of glacier advances and climate in the High Tatra Mountains (Western Carpathians) during the Last Glacial Maximum

    2014

  • An early advance of glaciers on Mount Akdag, SW Turkey, before the global Last Glacial Maximum; insights from cosmogenic nuclides and glacier modeling

    2014

  • Cosmic-ray neutron intensity measurements of soil moisture - A case study in the Skjern catchment, Denmark

    2014

  • The Younger Dryas climatic conditions in the Za Mnichem Valley (Polish High Tatra Mountains) based on exposure-age dating and glacier-climate modelling

    2013

  • An assessment of the effect of horizontal soil moisture heterogeneity on the area-average measurement of cosmic-ray neutrons

    2013

  • Erratum: cOSMOS: The COsmic-ray soil moisture observing system (Hydrology and Earth System Sciences (2012) 16 (4079-4099))

    2013

  • Spatiotemporal variability of summer precipitation in southeastern arizona

    2013

  • Snow shielding factors for cosmogenic nuclide dating inferred from Monte Carlo neutron transport simulations

    2013

  • State of the Art in Large-Scale Soil Moisture Monitoring

    2013

  • The effect of atmospheric water vapor on neutron count in the cosmic-ray soil moisture observing system

    2013

  • COSMOS: the COsmic-ray Soil Moisture Observing System (vol 16, pg 4079, 2012)

    2013

  • Quantifying mesoscale soil moisture with the cosmic-ray rover

    2013

  • Footprint diameter for a cosmic-ray soil moisture probe: Theory and Monte Carlo simulations

    2013

  • Deglaciation chronology and paleoclimate of the Pie{ogonek}ciu Stawów Polskich/Roztoki Valley, high Tatra Mountains, Western Carpathians, since the Last Glacial Maximum, inferred from sup 36 /sup Cl exposure dating and glacier-climate modelling

    2013

  • A universal calibration function for determination of soil moisture with cosmic-ray neutrons

    2013

  • Ecosystem-scale measurements of biomass water using cosmic ray neutrons

    2013

  • Forensic reasoning about paleoclimatology

    2013

  • The COsmic-ray Soil Moisture Interaction Code (COSMIC) for use in data assimilation

    2013

  • High resolution soil moisture mapping

    2012

  • A reevaluation of cosmogenic Cl-36 production rates in terrestrial rocks

    2012

  • Measurement depth of the cosmic ray soil moisture probe affected by hydrogen from various sources

    2012

  • Remarkably extensive glaciation and fast deglaciation and climate change in Turkey near the Pleistocene-Holocene boundary (vol 39, pg 1051, 2011)

    2012

  • The theoretical basis of ACE, an Age Calculation Engine for cosmogenic nuclides

    2012

  • Field Validation of a Cosmic-Ray Neutron Sensor Using a Distributed Sensor Network

    2012

  • Remarkably extensive glaciation and fast deglaciation and climate change in Turkey near the Pleistocene-Holocene boundary

    2011

  • Quaternary glaciations of Turkey

    2011

  • End-to-End Support for Dating Paleolandforms

    2010

  • Floods of water and lava in the Columbia River Basin: Analogs for Mars

    2009

  • Cold and wet Last Glacial Maximum on Mount Sandiras, SW Turkey, inferred from cosmogenic dating and glacier modeling

    2009

  • Glacial geology and chronology of Bishop Creek and vicinity, eastern Sierra Nevada, California

    2009

  • Glaciations and paleoclimate of Mount Erciyes, central Turkey, since the Last Glacial Maximum, inferred from 36Cl cosmogenic dating and glacier modeling

    2009

  • Ages and inferred causes of Late Pleistocene glaciations on Mauna Kea, Hawai'i

    2008

  • Cold and wet Last Glacial Maximum on Mount Sandidotlessras, SW Turkey, inferred from cosmogenic dating and glacier modeling

    2008

  • COSMOGENIC CL-36 DATING OF A YOUNG BASALTIC ERUPTION COMPLEX, LATHROP WELLS, NEVADA

    2008

  • The theoretical basis for ACE, an age calculation engine for cosmogenic nuclides

    2008

  • Scientist water equivalent measured with cosmic rays at 2006 AGU fall meeting

    2007

  • Discharge home-happiness or anxiety?

    2007

  • Timing and style of deglaciation of northeastern Poland from cosmogenic 36Cl dating of glacial and glaciofluvial deposits

    2007

  • ACE: Age Calculation Engine - A design environment for cosmogenic dating techniques

    2007

  • Elevation dependence of cosmogenic sup 36 /sup Cl production in Hawaiian lava flows

    2006

  • COSMOGENIC CL-36 PRODUCTION-RATES IN TERRESTRIAL ROCKS

    2006

  • Elevation dependence of cosmogenic 36Cl production in Hawaiian lava flows

    2006

  • Determination of cosmogenic 36Cl in rocks by isotope dilution: innovations, validation and error propagation

    2006

  • Improving the accuracy and precision of scaling factors for in-situ cosmogenic geochronometers: New measurements of cosmic-ray neutrons in India and Hawaii

    2005

  • ICRONUS meets CRONUS-Earth: Improved calculations for cosmogenic dating methods - From neutron intensity to previously ignored correction factors

    2005

  • COSMOGENIC CHLORINE-36 CHRONOLOGY FOR GLACIAL DEPOSITS AT BLOODY CANYON, EASTERN SIERRA-NEVADA

    2004

  • Image processing and roughness analysis of exposed bedrock fault planes as a tool for paleoseismological analysis: results from the Campo Felice fault (central Apennines, Italy)

    2003

  • Nature's neutron probe: Land surface hydrology at an elusive scale with cosmic rays

    2003

  • The distribution of meteoric Cl-36/Cl in the United States: a comparison of models

    2003

  • Chlorine-36 in groundwater of the United States: Empirical data

    2003

  • Late Quaternary glacial deposits of the Erciyes Volcano

    2003

  • Late Quaternary glacial deposits of the Erciyes Volcano [Erciyes Volkani Geç Kuvaterner buzul çökelleri]

    2003

  • Chlorine-36, bromide, and the origin of spring water

    2001

  • Comment on 'scalling factors for production rates of in situ produced cosmogenic nuclides: A critical reevaluation

    2001

  • Comment on 'Scaling factors for production rates of in situ produced cosmogenic nuclides: a critical reevaluation' by Tibor J. Dunai

    2001

  • Late Wisconsinan glaciation of southern Eureka Sound: Evidence for extensive Innuitian ice in the Canadian High Arctic during the Last Glacial Maximum

    2000

  • Chronology of Quaternary glaciations in East Africa

    2000

  • The method of dating by cosmogenic 36Cl - New data in glacial chronology of the High Tatra Mts. [Metoda datowania kosmogenicznym izotopem 36Cl - Nowe dane do chronologii Glacjalnej Tatr Wysokich]

    1999

  • Unblocking of the Nares Strait by Greenland and Ellesmere ice-sheet retreat 10,000 years ago

    1999

  • The method of dating by cosmogenic sup 36 /sup Cl - New data in glacial chronology of the High Tatra Mts.

    1999

  • Glaciations and paleoclimate of Mount Erciyes, central Turkey, since the Last Glacial Maximum, inferred from Cl-36 cosmogenic dating and glacier modeling

    1999

  • Ages of prehistoric earthquakes revealed by cosmogenic chlorine-36 in a bedrock fault scarp at Hebgen Lake

    1998

  • Chlorine-36 and the initial value problem

    1998

  • Determination of cosmogenic Cl-36 in rocks by isotope dilution: innovations, validation and error propagation

    1998

  • COSMOS: the COsmic-ray Soil Moisture Observing System

    1998

  • Dating previously balanced rocks in seismically active parts of California and Nevada

    1998

  • Cosmogenic 36Cl and 10Be ages of Quaternary glacial and fluvial deposits of the Wind River Range, Wyoming

    1997

  • Cosmogenic sup 36 /sup Cl and sup 10 /sup Be ages of Quaternary glacial and fluvial deposits of the Wind River Range, Wyoming

    1997

  • Spatial and temporal distribution of secondary cosmic-ray nucleon intensities and applications to in situ cosmogenic dating

    1997

  • Two- and three-parameter calibrations of time domain reflectometry for soil moisture measurement

    1997

  • Extended scaling factors for in situ cosmogenic nuclides: New measurements at low latitude

    1996

  • TH-230/U-234 AND CL-36 DATING OF EVAPORITE DEPOSITS FROM THE WESTERN QAIDAM BASIN, CHINA - IMPLICATIONS FOR GLACIAL-PERIOD DUST EXPORT FROM CENTRAL-ASIA

    1996

  • Cosmogenic isotope 36CI - A new perspective for Quaternary chronostratigraphy of Poland

    1996

  • A reevaluation of cosmogenic 36Cl production rates in terrestrial rocks

    1996

  • Reevaluation of cosmogenic sup 36 /sup Cl production rates in terrestrial rocks

    1996

  • Chronology for fluctuations in late Pleistocene Sierra Nevada glaciers and lakes

    1996

  • Last 200,000 years of glacial history at Bishop Creek, Eastern Sierra Nevada, California

    1996

  • Insights into alpine moraine development from cosmogenic sup 36 /sup Cl buildup dating

    1995

  • Cosmogenic Cl-36 and Be-10 ages of Quaternary glacial and fluvial deposits of the Wind River Range, Wyoming

    1995

  • Insights into alpine moraine development from cosmogenic 36Cl buildup dating

    1995

  • DATING PALEOSEISMIC EVENTS AT CRATER FLAT, NEVADA BY COSMOGENIC CL-36 ACCUMULATION IN ASH DEPOSITED IN-GROUND FRACTURES

    1995

  • COSMOGENIC CL-36 ACCUMULATION IN UNSTABLE LANDFORMS .2. SIMULATIONS AND MEASUREMENTS ON ERODING MORAINES

    1994

  • DEPTH DEPENDENCE OF COSMOGENIC NEUTRON-CAPTURE-PRODUCED CL-36 IN A TERRESTRIAL ROCK

    1994

  • Cosmogenic 36Cl accumulation in unstable landforms: 2. Simulations and measurements on eroding moraines

    1994

  • Depth dependence of cosmogenic neutron-capture-produced 36C1 in a terrestrial rock

    1994

  • Measuring soil moisture content non-invasively at intermediate spatial scale using cosmic-ray neutrons

    1993

  • Late wisconsinan buildup and wastage of the innuitian Ice Sheet across southern Ellesmere Island, Nunavut

    1993

  • Cosmogenic 36 Cl dating of a young basaltic eruption complex, Lathrop Wells, Nevada

    1993

  • FUNDAMENTALS OF SURFACE EXPOSURE DATING

    1992

  • On scaling cosmogenic nuclide production rates for altitude and latitude using cosmic-ray measurements

    1991

  • GLACIAL CHRONOLOGY

    1991

  • Insights into alpine moraine development from cosmogenic Cl-36 buildup dating

    1991

  • Age and geomorphic history of Meteor Crater, Arizona, from cosmogenic sup 36 /sup Cl and sup 14 /sup C in rock varnish

    1991

  • Cosmogenic chlorine-36 production rates in terrestrial rocks

    1991

  • Age and geomorphic history of Meteor Crater, Arizona, from cosmogenic 36Cl and 14C in rock varnish

    1991

  • Cosmogenic chlorine-36 chronology for glacial deposits at Bloody Canyon, Eastern Sierra Nevada

    1990

  • Dating precariously balanced rocks in seismically active parts of California and Nevada

    1990

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