Table 1 Modeling scenarios used in this study

From: Widespread outdoor exposure to uncompensable heat stress with warming

Scenario

Radiation (Rin + Lin, W m−2)

Metabolic heat (M, W m−2)

Maximum sweat rate (λEmax, W m−2)

Sun

Modeled Lin and sun scenario for Rin (Eq. (3))

176 (moderate work)

500 (400) for acclimated (non-acclimated) persons

Shade

Modeled Lin and shade scenario for Rin (Eq. (3))

176

500 (400)

Dark

Modeled Lin (Rin = 0)

176

500 (400)

Dark*

Modeled Lin (Rin = 0)

176

No limit

Dark**

Modeled Lin (Rin = 0)

59 (complete rest)

No limit

  1. The outdoor sun and shade scenarios are the key contribution of this study, while the dark scenarios are used to compare with prior studies (see the “Discussion” section). In all scenarios, modeled wind speed (U) is used.
  2. Rin and Lin denote input shortwave and longwave radiation, respectively. See the “Methods” section and Supplementary Table 1 for definitions of all terms.
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