Cause

Source

Rise of atmospheric moisture

Abbs (1999)

Non-linear relationshio between dewpoint and temperature

Chen & Bradley (2006)

No return period for PMP

Koutsoyiannis (1999) , Papalexiou & Koutsoyiannis (2006)

Uncertain Gumbel distribution

Papalexiou & Koutsoyiannis (2013)

Climate change effects

Kunkel et al. (2013) , Rastogi et al. (2017) , Lee et al. (2016)

Thanh Thuy et al. (2019) , Rouhani & Leconte (2020)

Sarkar & Maity (2020) , Gangrade et al. (2018)

Climate variability

Salas et al. (2020)

Assessment of uncetainty

Micovic et al. (2015) , Singh et al. (2018) , Ben Alaya et al. (2018)