This is Europe's second largest river.
What is the Danube?
This building was planned by Theophil von Hansen, who also planned buildings like the Wiener Börse, Musikverein and the Austrian Parliament. It serves nowadays mainly as a seminar hotel, and hosted an annual DK symposium?
What is Schloss Hernstein?
A country without access to the sea or ocean.
What is a land-locked country?
Everybody is talking about Corona's second but at sea this phenomenon occurs all the time.
What is a wave?
This person can divide by zero.
Who is Chuck Norris?
This variable is used to define the extent of the Sahel zone.
What is precipitation?
This is an area where you can find four rain gauges on 66 ha.
What is the HOAL?
This is the name of both a popular autumn vegetable and a Japanese island.
What is Hokkaido?
Soil with grain size between 0.002 mm and 0.063 mm.
What is silt?
They performed the one-hit wonder It's raining men.
Who are The weather girls?
Circle the world at 45 degrees north & you'll pass through Lake Huron & this shrinking Sea of Kazakhstan & Uzbekistan.
What is the Aral Sea?
This cluster also does research with viruses but has nothing to do with Corona.
What is the Water & Health cluster?
Isotope with a half-life of 12.32 years and atomic mass of 3.0160492 u.
What is Tritium?
This term can refer to the amount of work but also to the solid material carried by the stream.
What is (sediment/stream) load?
This person has a Wikipedia page, holds a Robert E. Horton medal and speaks Italian.
Who is Günter Blöschl?
Here you find more fresh water than in all rivers on the planet combined.
What is the atmosphere?
There used to be more but currently there are only 17 of them.
What is a DK student?
These mythical creatures are often confused with fairies. We can divide them into three subgroups: the Meliae, the Naiads, the Nereids, and the Oreads.
What is a nymph?
This phenomenon occurs in open waters when algae get high on too many nutrients.
What is eutrophication?
They blessed the rains down in Africa.
Who is Toto?
This is usually not the 10 minutes before an exam, but a metric that is often computed in statistics.
What is a confidence interval?
This is the most fun part of the annual DK symposium.
(every answer counts)
The largest of these man-made water structures used for recreation is located in Sharm El Sheikh, Egypt and covers an area of 96,800 m2. Largest in Europe is located in Ostrava, Czech Republic.
What is a swimming pool?
This is a property of a curve and is commonly used to describe diffusion and fluid flow in porous media.
What is Tortuosity?
If you swim faster than this person you are ready to win multiple gold medals at the Olympics, even if the person already announced his/her retirement.
Who is Michael Phelps?