noaa-fire-10549 Skinner fire data from Southwest (Blacks Mountain) - IMPD USSW_001 Skinner, C.N.; Taylor, A.H.; Trouet, V.; Wahl, E.R.; Stephens, S.L. Skinner fire data from Southwest (Blacks Mountain) - IMPD USSW_001 2010-03-18 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/10549 Investigator C.N. Skinner Investigator A.H. Taylor Investigator V. Trouet Investigator E.R. Wahl Investigator S.L. Stephens earth science paleoclimate fire history|tree ring tree demographic and fire event code,wood,null,dimensionless,null,fire history|tree ring,null,null,N,Fire-scars are labelled '2'; years where the tree was recording are labelled '1'; years when it was not recording are labelled '0' earth science paleoclimate fire history|tree ring tree demographic and injury and fire event code,wood,null,null,null,fire history|tree ring,null,null,C,FHX2 data format; refer to IMPD documentation for description of codes earth science paleoclimate fire history|tree ring age,null,null,null,null,fire history|tree ring,null,null,N,null earth science paleoclimate fire history fire scar dates geoscientificInformation PIPO Pinus ponderosa Douglas ex C. Lawson ponderosa pine western yellow pine PSME Pseudotsuga menziesii (Mirb.) Franco Douglas-fir CADE Calocedrus decurrens (Torr.) Florin = Libocedrus decurrens Torr. California incense cedar 1230 AD 2000 AD 720 cal yr BP -50 cal yr BP Complete 33.84 33.84 -116.74 -116.74 Continent North America United States Of America California Southwest (Blacks Mountain)>LATITUDE 33.84>LONGITUDE -116.74 None Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site. English DOC/NOAA/NESDIS/NCEI National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce https://www.ncdc.noaa.gov/data-access/paleoclimatology-data DATA Center Contact Bruce Bauer bruce.a.bauer@noaa.gov paleo@noaa.gov 303-497-6280 303-497-6513

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Boulder CO 80305-3328 USA online ASCII Trouet, V., A. H. Taylor, E. R. Wahl, C. N. Skinner, and S. L. Stephens. 2010. Fire-climate interactions in the American West since 1400 CE, Geophysical Research Letters 37, L04702, doi:10.1029/2009GL041695.

Despite a strong anthropogenic fingerprint on 20th Century wildland fire activity in the American West, climate remains a main driver. A better understanding of the spatiotemporal variability in fire-climate interactions is therefore crucial for fire management. Here, we present annually resolved, tree-ring based fire records for four regions in the American West that extend back to 1400 CE. In all regions, years with high fire activity were characterized by widespread yet regionally distinct summer droughts. Overall fire activity was high in late Medieval times, when much of the American West was affected by mega-droughts. A distinct decline in fire activity in the late 16th Century corresponds with anomalously low temperatures during the Little Ice Age and a decline in Native American fire use. The high spatiotemporal resolution of our fire record discloses a time-frequency dependent climatic influence on wildfire regimes in the American West that needs to be accounted for in fire models. STUDY NOTES: These fire-scar records were provided via a USDI/USDA Interagency Joint Fire Sciences Program database project (Taylor, A. H., C. N. Skinner, A. M. Carleton, and S. L. Stephens. 2007. Fire climate interactions and predicting fire season severity in the Mediterranean climate areas of California, southern Oregon, and western Nevada. Rep. 03-1-1-22. Joint Fire Sci. Program, Boise, Idaho.). Fire scar-records were selected from individual trees that were recording fire prior to the year 1500. Data from additional sites were also included in the Southwest site, and the original records for these sites are available via the International Multiproxy Paleofire Database (http://www.ncdc.noaa.gov/paleo/impd/paleofire.html): Site Name, Latitude (degrees N), Longitude (degrees W), Principal Investigator Black Mountain,33.36,108.21,Baisan and Swetnam Canada Bonia,35.91,106.37,Touchan et al. Cerro Bandera,35,108.1,Grissino-Mayer and Swetnam Fillmore Canyon,32.33,106.56,Morino et al. Hitchcock,32.38,110.68,1,Baisan and Morino Hoya de Cibola Lava Flow,34.89,108.15,Grissino-Mayer and Swetnam Josephine Saddle,31.69,110.86,Gungle et al. La Luz trail Sandia Mountains,35.21,106.46,Baisan and Swetnam La Marchanita,34.99,108.06,Grissino-Mayer and Swetnam Mesita Blanca,34.88,108.07,Grissino-Mayer and Swetnam Mica Mountain,32.2,110.5,Baisan and Swetnam Monument Canyon Natural Area,35.8,106.62,Swetnam et al. N Alamo Bog,35.92,106.59,Morino et al. Old Pine Bluff,32.34,106.55,Morino et al. Peters Flat,32.46,109.56,Grissino-Mayer Rincon Peak,32.12,110.52,Baisan Rito de los Frijoles,35.82,106.38,Swetnam et al. Rock House Spring,32.33,106.55,Morino and Swetnam Round Mountain,35.87,105.64,Touchan

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