William D. Orndorff
Virginia Department of Conservation and Recreation Natural Heritage Program, Christiansburg, VA
Activity
2025
-
DELINEATING KARST HYDROLOGIC PATHWAYS IN THE HANGING ROCK VALLEY, VIRGINIA
43 New Frontiers in Cave and Karst Science (Posters)Friday, 21 March 20251:00 PM - 5:00 PMShenandoah ABC
-
INVESTIGATING GEOLOGIC INFLUENCES ON KARST SPRINGS IN THE HANGING ROCK VALLEY, VIRGINIA
43 New Frontiers in Cave and Karst Science (Posters)Friday, 21 March 20251:00 PM - 5:00 PMShenandoah ABC
2022
-
ADIRONDACK GRABEN AND HALF-GRABEN: COMPLEX HISTORY OF FAULTING AND SEDIMENTATION
18 D11. Structural Geology and Tectonics (Posters)Sunday, 20 March 20221:30 PM - 5:30 PMFreedom Hall A
2019
-
USING A 12-YEAR RECORD TO EXAMINE HYDROLOGIC CONNECTIONS BETWEEN PRECIPITATION, DRIPWATER AND STREAM DISCHARGE IN JAMES CAVE (VIRGINIA)
T114 Karst Hydrology and Hydrogeology (Posters)Monday, 23 September 20199:00 AM - 6:30 PMHall AB, North Building
-
DISSOLVED NITROGEN CONCENTRATION GRADIENTS IN KARST WATERS AT CLOVER HOLLOW, GILES COUNTY, VA
3 Hydrological Processes and Problems across the Southeastern United StatesThursday, 28 March 20198:00 AM - 12:00 PMSt. Matthews Room
2016
-
MESOZOIC STRATA PRESERVED IN THE MIAMI RIVER GRABEN, CENTRAL ADIRONDACKS, NEW YORK
33 Structural Geology and Tectonics (Posters)Tuesday, 22 March 20168:00 AM - 12:00 PMConvention Hall
2014
-
TEMPERATURE, CONDUCTIVITY, TURBIDITY AND LEVEL RESPONSES TO PRECIPITATION OF PHREATIC WATERS EXPOSED IN CAVE FISSURES: IMPLICATIONS FOR DEEP GROUNDWATER FLOW IN THE SHENANDOAH VALLEY KARST
6 Karst and CavesThursday, 10 April 20148:00 AM - 12:00 PMCascades
-
GEOLOGIC FACTORS INFLUENCING SHALLOW AND DEEP KARST FORMATION IN THE SHENANDOAH VALLEY, VIRGINIA
6 Karst and CavesThursday, 10 April 20148:00 AM - 12:00 PMCascades
-
USING GEOCHEMICAL DATA FROM SPELEOTHEM DRIPS TO INFER HYDROLOGIC CONTROLS ON RECHARGE IN JAMES CAVE, VIRGINIA
6 Karst and CavesThursday, 10 April 20148:00 AM - 12:00 PMCascades
2013
-
ANALYSIS OF HYDROLOGIC AND GEOCHEMICAL TIME SERIES DATA AT JAMES CAVE, VIRGINIA: IMPLICATIONS FOR EPIKARST INFLUENCE ON RECHARGE IN APPALACHIAN KARST AQUIFERS
T171 The Epikarst as a Boundary and Critical ZoneMonday, 28 October 20131:00 PM - 5:00 PMRoom 502
2012
-
STATISTICAL ANALYSIS OF GEOCHEMICAL DATA TO CHARACTERIZE THE ROLE OF THE EPIKARST IN CONTROLLING THE QUANTITY AND QUALITY OF RECHARGE TO A TELOGENETIC KARST AQUIFER
T177 Comparisons of Flow and Chemistry in Eogenetic and Telogentic Karst Aquifers (Posters)Tuesday, 6 November 20129:00 AM - 6:00 PMHall B
-
THE INDIAN LAKE FAULT SYSTEM: TOWARDS CONSTRAINING A MAJOR GEOMORPHIC CONTROL ON PRECAMBRIAN BASEMENT STRUCTURE IN NEW YORK STATE
T107 Heredity of Appalachian Crust (Posters)Monday, 5 November 20129:00 AM - 6:00 PMHall B
2011
-
EPIKARST CONTROL ON QUANTITY AND QUALITY OF RECHARGE TO KARST AQUIFERS: CURRENT RESULTS FROM LONG-TERM MONITORING WITHIN JAMES CAVE, VIRGINIA
T110 Exploration of Karst Aquifer Systems Using New and Innovative Techniques and Methods (Posters)Monday, 10 October 20119:00 AM - 6:00 PMHall C
-
SPATIAL AND TEMPORAL PATTERNS OF TEMPERATURE AT JAMES CAVE, VIRGINIA
6 Karst Geology and HydrologyThursday, 24 March 20118:00 AM - 12:00 PMRoom 107
2010
-
HYDROLOGIC RESPONSES IN EPIKARST: A COMPARATIVE STUDY BETWEEN VIRGINIA AND TEXAS
T129 Flow in Fractured and Karstic Aquifers: Models and MethodsMonday, 1 November 20101:30 PM - 5:30 PMMile High Ballroom 1AB
2008
-
A Proposed Hypogenic Origin of Karst in the Shenandoah Valley, Virginia and West Virginia
T240 Hypogenic Karst: Shedding Light on Once Poorly Understood Hydrologic and Morphologic FeaturesTuesday, 7 October 20088:00 AM - 12:00 PM
-
Characterizing Epikarst Hydrogeology Using Integrated Hydrologic, Geochemical and Biological Approaches
T217 Innovative Methods for Investigating Flow and Transport in Karst Systems IIMonday, 6 October 20081:30 PM - 5:30 PM