Loophole for snowball earth

被引:83
作者
Runnegar, B [1 ]
机构
[1] Univ Calif Los Angeles, IGPP, Ctr Astrobiol, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USA
关键词
D O I
10.1038/35013168
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The snowball Earth hypothesis posits an ice-covered planet. New climate simulations of ‘snowball’ conditions allow ice-free equatorial oceans that may be crucial for a theory about early animal evolution.
引用
收藏
页码:403 / 404
页数:2
相关论文
共 12 条
[1]  
Berner RA, 1997, GEOLOGY, V25, P955, DOI 10.1130/0091-7613(1997)025<0955:TNFMBA>2.3.CO
[2]  
2
[3]   ORIGIN OF BILATERIAN BODY PLANS - EVOLUTION OF DEVELOPMENTAL REGULATORY MECHANISMS [J].
DAVIDSON, EH ;
PETERSON, KJ ;
CAMERON, RA .
SCIENCE, 1995, 270 (5240) :1319-1325
[4]   Low-latitude glaciation in the Palaeoproterozoic era [J].
Evans, DA ;
Beukes, NJ ;
Kirschvink, JL .
NATURE, 1997, 386 (6622) :262-266
[5]   A Neoproterozoic snowball earth [J].
Hoffman, PF ;
Kaufman, AJ ;
Halverson, GP ;
Schrag, DP .
SCIENCE, 1998, 281 (5381) :1342-1346
[6]   Neoproterozoic 'snowball Earth' simulations with a coupled climate/ice-sheet model [J].
Hyde, WT ;
Crowley, TJ ;
Baum, SK ;
Peltier, WR .
NATURE, 2000, 405 (6785) :425-429
[7]  
Kennedy MJ, 1998, GEOLOGY, V26, P1059, DOI 10.1130/0091-7613(1998)026<1059:TOFNG>2.3.CO
[8]  
2
[9]  
Kirschvink J. L., 1992, PROTEROZOIC BIOSPHER, P51, DOI DOI 10.4236/OJG.2012.23012
[10]   Regulatory evolution and the origin of the bilaterians [J].
Peterson, KJ ;
Davidson, EH .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2000, 97 (09) :4430-4433