The Horse 2021/22

Environment & Technology

Friedrich, the friendly plane tree

I am Friedrich, the friendly plane tree

I am a heart-rooter and have been living here on the Schiffbauplatz since about 1980. I am 28 m high and provide a good climate.
I evaporate 108,000 liters of water a year; that would give me a full bath every day - except Mondays - in the morning and in the evening!
With my evaporation capacity (73'500 kWh/y) I could cool a 680 m2 open-plan office (Grossbaumbüro) with 38 employees.

QUESTION:
How many times could my leaves cover the Schiffbauplatz?
Answer: Twice. All the leaves together make an area of 5040 m2

01_Friedrich-die-freundliche-Platane-beim-Schiffbau.pdf (634.13 kb)

Welcome to the world's smallest tree tour.

After this tour you will have answers to:
-Why Friedrich is a "London plane"
-City climate effects of trees (Klimawirkung)
-Air filtering effects of trees (Luftfilterung)
-Tree communication (Wood Wide Web)
-Biodiversity

Let's start with Friedrich, the friendly plane tree, or "London plane".
Urban trees have many advantages of benefits for the city climate:

Climate effect of trees depends on the following factors:
-Crown volume (how big and dense is the crown)
-leaf area (how big are the leaves)

What does "climate effect" mean?
1) Cooling effect =>cooling hot spots in the city
-provide shade (80%)
-evaporate water (Verdunstung "Schwitzen", 20%)

2) Air Filtering effect: purify air (in the trio).

[Poster]

Site information
What was standing here in front of Friedrich?
Ships were produced here until the beginning of the 20th century, Escher-Wyss machine factory (for export, e.g. Amazonas).
>Here instead of Friedrich stood an oil tank (energy source for production)

Today this is a hot spot, lots of sealed surfaces, little to no local winds for cooling.
=>Theater, jazz club, Maag music hall, culture park, Technopark

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