Канал: John Downing

Eutrophication mitigation, greenhouse gas emissions and the social value of sustaining clean water

Eutrophication mitigation, greenhouse gas emissions and the social value of sustaining clean water

Supernatural lakes: mummies, monsters, ghosts, witches, fairies and aliens.

Supernatural lakes: mummies, monsters, ghosts, witches, fairies and aliens.

Lake Ice-out Time-Lapse 2023

Lake Ice-out Time-Lapse 2023

Unpacking and deploying a hypothermia rescue kit

Unpacking and deploying a hypothermia rescue kit

Ice out Downing 15 March 2023

Ice out Downing 15 March 2023

Ice melting on a lake after a long winter

Ice melting on a lake after a long winter

Lakes- The Spookiest Places on Earth

Lakes- The Spookiest Places on Earth

The social cost of waterborne viral diseases from bad water quality.

The social cost of waterborne viral diseases from bad water quality.

Wabana Lake, MN- Ice-out 2021 (South view)

Wabana Lake, MN- Ice-out 2021 (South view)

Wabana Lake, MN- Ice-out 2021 (North view)

Wabana Lake, MN- Ice-out 2021 (North view)

The Beauty of Lake Wabana late winter SD 480p

The Beauty of Lake Wabana late winter SD 480p

GoPro on a stick! Looking under winter ice on a Minnesota lake

GoPro on a stick! Looking under winter ice on a Minnesota lake

Cutting an ice sample slab the old fashioned way

Cutting an ice sample slab the old fashioned way

How to make a temperature profiler to measure temperature stratification in lakes (about $20)

How to make a temperature profiler to measure temperature stratification in lakes (about $20)

Session 20 North American Wetland Plant Communities and Classification

Session 20 North American Wetland Plant Communities and Classification

Session 19 Macrophyte and Littoral Ecology

Session 19 Macrophyte and Littoral Ecology

Session 18 Aquatic macrophytes and their origin

Session 18 Aquatic macrophytes and their origin

Session 17 Secondary Production

Session 17 Secondary Production

Session 16 Lotic Benthos

Session 16 Lotic Benthos

Session 15 Benthos of lakes and ponds

Session 15 Benthos of lakes and ponds

Session 14 Zooplankton

Session 14 Zooplankton

Session 13 Primary production and primary producers in aquatic systems

Session 13 Primary production and primary producers in aquatic systems

Session 12 Microbes in Aquatic Systems

Session 12 Microbes in Aquatic Systems

Session 11 Waves, currents, lake physics

Session 11 Waves, currents, lake physics

Session 10 Lake Morphometry

Session 10 Lake Morphometry

Session 09 Lake and pond formation

Session 09 Lake and pond formation

Session 08 Stream hydrology and channel structure

Session 08 Stream hydrology and channel structure

Session 07 Stream formation and geomorphology

Session 07 Stream formation and geomorphology

Session 06 Lake Zonation and Lake Succession

Session 06 Lake Zonation and Lake Succession

Session 05 Light

Session 05 Light

Session 04 Stratification and temperature

Session 04 Stratification and temperature

Session 03 Miracles of Water v2

Session 03 Miracles of Water v2

Session 02 Diversity of aquatic ecosystems

Session 02 Diversity of aquatic ecosystems

Session 01 Introduction and importance of water

Session 01 Introduction and importance of water