CLOSE OVERLAY

Have Minnesota Warmer Winters Increased the Number of Freeze Thaw Cycles?

Project Details
STATUS

In-Progress

START DATE

10/16/20

END DATE

05/31/21

FOCUS AREAS

Infrastructure

RESEARCH CENTERS InTrans, PROSPER
SPONSORS

Minnesota Department of Transportation

Researchers
Principal Investigator
Halil Ceylan

Director, PROSPER

Co-Principal Investigator
Sunghwan Kim

Associate Director, PROSPER

Co-Principal Investigator
In-Ho Cho
Co-Principal Investigator
Eugene S. Takle
Co-Principal Investigator
Daniel Rajewski

About the research

Over the last several decades, Minnesota’s winters have gotten warmer. In fact, the winters have warmed significantly faster than the summers. Such a trend is forecasted to continue into the foreseeable future. It is possible that this warming trend has increased the length of time spent around the freezing point (32°F), thus also increasing the average number of freeze-thaw events. However, it is also possible that this warming trend has resulted in no change in the number of freeze-thaw events. The proposed research has two primary objectives: (1) to attempt to quantify the number of freeze-thaw events daily, monthly, and annually from historical temperature records, freeze gauges, and other data; and (2) to attempt to collect ground/pavement temperature and study its correlation with air temperature during freeze-thaw events. To achieve these objectives, a two-phase research approach has been developed.

TOP