Dana Royer

Dana Royer
George I. Seney Professor of Geology
Department of Earth and Environmental Sciences
Wesleyan University
Exley Science Center 445 (265 Church St.)
Middletown, CT 06459-0139
office phone: 860.685.2836
droyer@wesleyan.edu

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Research
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Links

Code, videos, and leaf images

Compilation and integration of Phanerozoic CO₂ proxies
paleo-co2 website

Leaf-gas-exchange proxies for paleo-CO₂
R code and input file to run Franks' v2 model for estimating CO₂ from stomatal geometry and leaf carbon isotopic composition (data sets S7-S8 in Kowalczyk et al., 2018)
R code and input file to run Franks' v1 model for estimating CO₂ from stomatal geometry and leaf carbon isotopic composition (in supplement in Franks et al., 2014)
Video tutorial about spreadsheet entry for the Franks CO₂ model
Mathematica and Maple code to run Konrad's v2 model for estimating CO₂ from stomatal geometry and leaf carbon isotopic composition (data sets S12-S14 in Kowalczyk et al., 2018)
R code and input file to run Fletcher's BRYOCARB v2 model for estimating CO₂ from liverwort leaf carbon isotopic composition (data sets S9-S11 in Kowalczyk et al., 2018)

Long-term carbon cycle models
User-friendly interface for GEOCARBSULFvolc long-term carbon cycle model (Torsvik al., 2024)
R code and input files to run Berner's GEOCARBSULFvolc CO₂ model (Royer al., 2014)

Connecting leaf shape to climate and ecology
Video tutorial for preparing fossil leaves for digital leaf physiognomy analysis
Leaf images for Royer et al. (2008) paper
Leaf images for Huff et al. (2003), Royer et al. (2005), and Peppe et al. (2011) papers

Running links

I enjoy long distance running. Here are some of my favorite recent races:

~100 mile distance
2016 Vermont 100 Endurance Race 100 miles; 14K of climb on non-technical trail & gravel roads (22:29:31; 59th / 256 finishers / 350 starters)
2014 Fat Dog 120 Trail Race 120 miles; 28.5k of climb; dropped at mile 73 with blisters
2012 Grindstone 100 101.8 miles; 23K of climb (27:30:26; 31st / 108 finishers / 158 starters)
2012 New Jersey Ultra Festival 100 miles; flat & non-technical trail (17:38:03; 3rd / 46 finishers / 73 starters) (100 mi PR)
2010 Cascade Crest 100 Mile Endurance Run 100 miles; 20K of climb (25:35:51; 28th / 78 finishers / 115 starters)
2010 Vermont 100 Endurance Race; dropped at mile 85
2009 Massanutten Mountain Trails 100 Mile Run 101.8 miles; 19K of climb on technical trail (26:41:11; 18th / 101 finishers / 173 starters)
2008 Vermont 100 Endurance Race 100 miles; 14K of climb on non-technical trail & gravel roads (23:00:55; 46th / 156 finishers / 239 starters)

~50 mile distance
2015 Vermont 50 Ultra Run 50 miles; 9k of climb (9:04:16; 37th / 191 finishers)
2014 Manitou's Revenge 54 miles; 14k of climb on technical trail, including part of the famed Devil's Path (16:21:09; 30th / 69 finishers / 87 starters)
2012 Febapple Frozen Fifty 50 miles (9:01:49; 6th / 25 finishers / ~35 starters)
2011 Pittsfield Peaks Ultra Challenge 53 miles; 13k of climb (10:22:06; 2nd / 35 finishers)
2010 Highlands Sky Trail Run 41 miles; 5k of climb (8:47:23; 45th / 171 finishers / 200 starters)
2010 Pittsfield Peaks Ultra Challenge 53 miles; 13k of climb (11:23:06; 9th / 30 finishers / 44 starters)
2010 Wapack and Back Trail Races 50 miles; 13K of climb on technical trail (12:19:00; 2nd / 9 finishers / 40 starters)
2009 Tussey Mountainback 50 miles; 5k of climb on gravel groads (7:47:03; 14th / 63 starters)
2009 Bull Run Run 50.4 miles (8:44:39; 37th / 265 finishers / 314 starters)
2008 Pittsfield Peaks Ultra Challenge 53 miles; 13k of climb (10:53:00; 9th / 57 finishers / ~80 starters)
2008 Wapack and Back Trail Races 42 miles; 10K of climb on technical trail (10:13:00; 11th / 21 finishers / 24 starters)
2008 Bear Mountain Endurance Challange 49.2 miles (11:58:30; 11th / 19 finishers / 86 starters--yikes!)
2007 Vermont 50 Ultra Run 50 miles; 9k of climb (9:18:23; 48th / 174 finishers / 195 starters)
2004 Tussey Mountainback 50 miles; 5k of climb on gravel roads (8:36:59; 14th / 33 finishers)

~marathon / 50k distance
2011 Traprock 50k (5:16:31; 16th / 64 finishers)
2008 Nipmuck Marathon (4:31:23; 34th / 214 finishers)
2007 Wakely Dam Ultra 32.6 miles; ~3K of climb, no aid stations (6:37:56; 16th / 65 finishers)
2007 Nipmuck Marathon (4:57:26; 66th / 186 finishers)
2007 Wapack and Back Trail Races 21 miles; 5K of climb on technical trail (4:57:00; 8th / 30 finishers)
2006 Jay Mountain Marathon, 32 miles (7:37:06; 97th / 242 finishers / 282 starters) [race no longer held]
2004 Bald Eagle Mountain Megatransect 23 miles (4:32:00; 7th / 240 starters) [race no longer held?]
2003 New Jersey Marathon (3:15:20; 46th / 1313 finishers)
2002 Boston Marathon (3:20:48; 3713th / 14400 finishers)
2001 New Jersey Marathon (3:08:15; 39th / 1064 finishers) (marathon PR)
2000 Hartford Marathon (3:18:54; 153rd / 1325 finishers)

other distances
2006 Mt. Greylock Half-marathon (2:33:04; 48th / 129 finishers)
2004 Mt. Whiteface Uphill Footrace 8.3 miles (1:18:45; 22nd / 156 finishers) [race no longer held?]
2000 Mt. Whiteface Uphill Footrace 8.3 miles (1:20:45; 34th / 210 finishers) [race no longer held?]

unaided 'journey' runs
2017 Farmington Canal Heritage Trail from CT-MA border to Long Island Sound; 57.4 miles; 1.7K of climb (9:09:46)
2016 Connecticut section of the Appalachian Trail; 50.7 miles, N to S direction; ~11K of climb; (14:05:49--this is a slow time)
2015 New England Trail from Long Island Sound to CT-MA border (Menunkatuck-Mattabesett-Metacomet Trails), ~108 miles; ~17K of climb; stopped at mile 71 (17:57:55)
2014 50 miles on the Airline Trail; flat gravel trail; ~1k of climb (7:06:27) (50 mi PR)
2014 40 miles on the Airline Trail; flat gravel trail (5:32:46)
2014 Mattabesett Trail; ~58 miles; ~13K of climb (13:22:48)
2013 30 miles on the Airline Trail; flat gravel trail (3:59:43)
2011 Mattabesett Trail; ~58 miles; ~13K of climb (13:18:39; may be first one-day traverse)

Summary of results on ultrasignup

[2012 Grindstone 100]
Finish line of the Grindstone 100 (2012)