About HM&Co

The Hydrology Meteorology and Complexity Laboratory develops multi-scale analysis, multi-scale observations and complex systems approach to modelling. Our research aims to better understand and represent urban basins, with a focus on urban resilience.

news & events

Nobel Recognition for the Roles of Complexity and Intermittency

EOS, Science News by the American Geophysical Union (AGU), published on

Celebrating 200 years of Navier’s memoir (18 March 2022)

Celebrating 200 years of the presentation of Navier’s memoir on fluid

Aurore storm

Aurore, a powerful autumn storm, hit the North of France during

Re-installation of 3 disdrometers on ENPC campus

In mid-October, following the end of planned work on the roof

In the spotlight

HM&Co at a glance

And you, could you perform a nocturne on a flute of rainwater pipes ?            

Research Team

We are an international and multidisciplinary team. Our varied but complementary backgrounds contribute to do research on water in the city with its complex flows, across multiple scales.


Find here our scientific papers and books. MONTHLY HIGHLIGHT: “Villes réseaux et transports: le défis fractal” sous la direction de Gabriel Dupuy.

video presentation

Providing insight to our talents

Our partners

Press review


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Hm&Co - ENPC

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Hm&Co - ENPC 48.841370, 2.588553