The footprint of Alaskan tundra fires during the past half-century: implications for surface properties and radiative forcing - Rocha, Adrian; Loranty, Michael; Higuera, Phil E.; Mack, Michelle C.; Hu, Feng Sheng; Jones, Benjamin; Breen, Amy; Rastetter, Edward; Goetz, Scott J.; Shaver, Gus (Environmental Research Letters, 2012)