Tiwanaku's agricultural system had been able to adjust to the less drastic cycles of drought and inundation that were thought to be normal, but "Tiwanaku agro-engineers were incapable of responding to a drought of unprecedented duration and severity," Mr. Ortloff and Dr. Kolata wrote in a 1993 paper in The Journal of Archeological Science.
There is also mounting anger and confusion among junior doctors at what many see as the BMA's lack of clear strategy in first electing to hold all-out stoppages of unprecedented duration without defining what their purpose was.
The descent of sunspot cycle 23 to an unprecedented minimum of long duration in 2006 2009 led to a prolonged galactic cosmic ray (GCR) recovery to the highest level observed in the instrumental era for a variety of energetic charged particle species on Earth, over a wide range of rigidities.
Over the last four decades, the annual earnings of the median man with only a high-school diploma declined by 46 percent – a decline unprecedented in duration and size.
In 2009, lawmakers pushed the total duration of benefits to an unprecedented 99 weeks.
Lenny formed on November 13 in the western Caribbean Sea and maintained an unprecedented west-to-east track for its entire duration.
Endowing carriers with an affinity to specific endothelial epitopes enables an unprecedented level of precision of control of drug delivery: binding to selected endothelial cell phenotypes, cellular addressing and duration of therapeutic effects.
In response to the 2007 09 "Great Recession," the maximum duration of U.S. unemployment benefits was increased from the normal level of 26 weeks to an unprecedented 99 weeks.
As commented previously, this was an unprecedented outbreak for an RNA virus capable of establishing a chronic, asymptomatic infection, which certainly contributed to its long duration and large number of infected patients.
An unprecedented arrangement, Downing Street said, to prepare for an unprecedented challenge.
