ผู้เขียน: Nicole Davi

Rosanne D”Arrigo, Lamont-Doherty Earth Observatory, Columbia University, USA Nicole Davi, William Paterson University and Lamont-Doherty Earth Observatory, Columbia University, USA Gordon Jacoby, Lamont-Doherty Earth Observatory, Columbia University, USA Rob Wilson, University of St. Andrews, UK and Lamont-Doherty Earth Observatory, Columbia University, USA Greg Wiles, The College of Wooster and Lamont-Doherty Earth Observatory, Columbia University, USA