4.7 SR 06-01-2020 - Laserfiche WebLink

Home Browse Search

Sherburne County Multi -Hazard Mitigation Plan, 2020 �-agure 22. rro)ectea unange in ivumver of uonseeutive Projected Change In Number of Consecutive Dry Days f Period 2041-2070 1 Lower Emissions 81 Ohe v... N—b .. �4 C ,x fr- Days $4, r— Source: (ICAT, 2017) in Low & tiign tmission scenarios Change in Number of Consecutive Dry Days Period- 2041 2070 1 Highaf Emissions: A2 6' OW" M *A 9W 01 CW&WA M L7rya PW Yw t 3 3 x Even in areas where precipitation does not decrease, projected higher air temperatures will cause increased surface evaporation and plant water loss, leading to drier soils. As soil dries out, a larger proportion of the incoming heat from the sun goes into heating the soil and adjacent air rather than evaporating its moisture, resulting in hotter summers under drier climatic conditions (Mueller & Seneviratne, 2012). Vulnerability All jurisdictions in Sherburne County are vulnerable to drought, which has impacted the county numerous times over the years. The National Drought Mitigation Center (NDMC) oversees the Drought Impact Reporter (DIR) - a comprehensive database which gathers drought -related reports from a variety of sources and identifies the sector(s) being impacted by each drought. The NDMC (n.d.) defines a drought impact as "An observable loss or change that occurred at a specific place and time because of drought." A drought meeting this definition is categorized based on the sector(s) the drought impacts; therefore, a single drought impacting multiple sectors will be categorized into each respective sector. DIR records show 32 incidents of drought impacting at least one sector in Sherburne County from 3.976 - 2o18. Table 29 lists the number of times each sector was impacted by these droughts. Table 29. Reported Drought Impacts for Sherburne County, 1976-2018 Agriculture Business & Industry Energy Fire Plants & Wildlife Relief, Response & Restrictions 5 o o 4 4 14 Page179