404. That’s an error.

The requested URL /translate_c?depth=1&hl=fr&prev=search&rurl=translate.google.fr&sl=en&sp=nmt4&u=http://dx.doi.org/10.1029/2012JD017921&usg=ALkJrhhpfuPcs-DXOSesPeitnE67c4mUSg was not found on this server. That’s all we know.