Paul A Knapp

Biographic Data

ID3635427
NAMEPaul A Knapp
GIVEN NAMESPaul A
FAMILY NAMEKnapp
SIGNATUREKNAPP P A
AFFILIATIONSCarolina Tree-Ring Science Laboratory, Department of Geography, University of North Carolina-Greensboro, Greensboro, NC, 27402, USA
VERIFIEDNo
TOTAL WORKS7
TOTAL CITATIONS3
WORKS AS AUTHOR7
WORKS AS EDITOR0
FIRST PUBLICATION YEAR1996
LATEST PUBLICATION YEAR2020
H-INDEX1

  • Microelevational Differences Affect Longleaf Pine (Pinus palustris Mill.) Sensitivity to Tropical Cyclone Precipitation

    Evan E Montpellier, Paul A Knapp et al.ARTICLETree-Ring Research2020

    Latewood ring widths of longleaf pine (Pinus palustris Mill.) growing on Carolina bay sand rims on the coastal plains of North Carolina are effective recorders of tropical cycone precipitation (TCP). Longleaf pine are hypothesized to be effective recorders of TCP because of their extensive lateral root structure that is exposed to enhanced soil moisture when TCP events raise the water table to root level, but this hypothesis has not been empirica…

  • The importance of infrequent, high-intensity rainfall events for longleaf pine (Pinus palustris Mill.) radial growth and implications for dendroclimatic research

    Open AccessTyler J Mitchell, Paul A Knapp et al.ARTICLETrees Forests and People2020

    Tree-ring based precipitation reconstructions are beneficial in placing interannual variability in an historical context. However, absent specificity on what is being modeled (e.g., event type or rainfall intensity), similar rainfall totals inferred from reconstructions between different years imply similar conditions. Consequently, variability in specific precipitation event types or intensity can affect radial growth widths despite no changes i…

  • Climate-Growth Responses From Pinus Ponderosa Trees Using Multiple Measures of Annual Radial Growth

    Peter T Soulé, Justin T Maxwell et al.ARTICLETree-Ring Research2019

    When using old-growth trees from semiarid, open-canopy environments, basal area increment (BAI), an absolute measure of radial growth, is sometimes used instead of the more commonly used ‘conservative techniques’ (negative exponential or linear regression with a negative slope; NegX) because narrow rings have been shown to potentially bias results. In this study we explore the relationship between radial growth of ponderosa pine from four study s…

  • Spatiotemporal Changes in Comfortable Weather Duration in the Continental United States and Implications for Human Wellness

    Paul A Knapp, Paul Knapp et al.ARTICLEAnnals of the American…2016References: 86

    We examined the spatial distribution of monthly, seasonal, and annual changes in comfortable weather hours (CWHs) between 1950 and 2011 and explored the relationship between human wellness and the amount and timing of CWHs. Using a thermohygrometric index based on air temperature and dewpoint temperature recorded every three hours from thirty-five U.S. cities, we determined whether changes in human thermal comfort were coincident with warming and…

  • Drought-Busting Tropical Cyclones in the Southeastern Atlantic United States

    Justin T Maxwell, Peter T Soulé et al.ARTICLEAnnals of the Association of…2012Cited by: 2References: 57

    Droughts and tropical cyclones (TCs) are climatologically common events in the southeastern United States, yet little research has examined the potential for TCs to ameliorate drought impacts. Here, we identify the frequency of TCs that abruptly end drought conditions (i.e., drought busters, or DB) and determine possible influences of coupled ocean–atmosphere teleconnections on the likelihood of a TC-induced DB (TCDB). Using the HURDAT database a…

  • Climatic Regionalization and the Spatio-Temporal Occurrence of Extreme Single-Year Drought Events (1500–1998) in the Interior Pacific Northwest, USA

    Open AccessPaul A Knapp, Paul Knapp et al.ARTICLEQuaternary Research2002

    Tree-ring records from western juniper ( Juniperus occidentalis var. occidentalis Hook.) growing throughout the interior Pacific Northwest identify extreme climatic pointer years (CPYs) (i.e., severe single-year droughts) from 1500–1998. Widespread and extreme CPYs were concentrated in the 16th and early part of the 17th centuries and did not occur again until the early 20th century. The 217-yr absence of extreme CPYs may have occurred during an …

  • Vegetation Change and the Role of Atmospheric CO 2 Enrichment on a Relict Site in Central Oregon

    Paul A Knapp, Paul Knapp et al.ARTICLEAnnals of the Association of…1996Cited by: 1References: 53

    Atmospheric CO2 enrichment is incresingly implicated as a contributory cause of vegetation change on North American rangelands. To explore the role of the rising CO2 content of the earth's atmosphere as an agent of vegetation change, we revisited (June 1994) the Island Research Natural Area (IRNA), a relict site of semiarid vegetation in central Oregon, to conduct a replicate survey of Driscoll's (1962) 1960 work. IRNA is one of the best non-labo…