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Volume 9 Number 31:  2 August 2006

Temperature Record of the Week
This issue's Temperature Record of the week is from Clinton, IA.  Visit our U.S. Climate Data section to plot and view these data for yourself.

Editorial
Does Earth's Geomagnetic Field Strength Modulate Surface Air Temperature?: Although the evidence is strong that variability in solar activity is the primary driver of surface air temperature change, there is evidence that longer-term variations in the planet's geomagnetic field strength play a secondary role in this phenomenon.

Medieval Warm Period Records of the Week
This issue's Medieval Warm Period Records of the Week come from Daihai Lake, Inner Mongolia and Petaluma Marsh, Northern California, USA, Northern California, USA.  To access the entire Medieval Warm Period Project's database, click here.

Subject Index Summary
Respiration (Woody Plants: Multiple Tree Studies): What do the bulk of available data suggest about the ability of the ongoing rise in the air's CO2 content to impact the respiration rates of earth's woody plants?

Journal Reviews
Holocene Sea-Level History of the Eastern Brazilian Coast: What does it reveal, and what does it imply about anthropogenic CO2 emissions and sea level?

Twenty-Two Years of Remotely-Sensed Eurasian Spring Phenology Data: What do they indicate about the progression of modern global warming?

Carbon Sequestration in the Soil of a Short-Rotation Poplar Plantation Exposed to Elevated Atmospheric CO2: Does it increase with time, decrease with time, or stay about the same, relative to carbon sequestration in the soil of a similar ecosystem exposed to ambient air?

Response of Sugar Cane to Atmospheric CO2 Enrichment: Is this important C4 crop significantly impacted by a doubling of the air's CO2 content?

Vegetative Productivity of the Qinghai-Xizang Plateau, China: How did it vary between 1982 and 1999? And why?