Was heißt »oberhalb« auf Englisch?

Die Präposition oberhalb lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Ich sah ein Boot oberhalb der Brücke.: I saw a boat upstream of the bridge.
Die Baumgrenze, oberhalb deren keine Bäume mehr wachsen, liegt in den deutschen Alpen in einer Höhe von etwa 1800 Metern.: The treeline in the German Alps, above which trees don't grow, is at an altitude of about 1,800 metres.
Setz deine Unterschrift oberhalb dieser Linie!: Sign above this line.
Die Temperatur liegt knapp oberhalb des Gefrierpunkts.: The temperature is just above freezing.
Die Exosphäre ist die oberste Schicht der Atmosphäre. Sie reicht von oberhalb der Thermosphäre bis zu einer Höhe von 10 000 Kilometern.: The exosphere is the highest layer of the atmosphere. It extends from the top of the thermosphere up to 10,000 kilometers.
Ein Siliziumkristall, in dessen Bandlücke ein Störstellenniveau dicht oberhalb des Valenzbandes erzeugt wird, ist ein Lochleiter.: A silicon crystal with a band gap in which an impurity level is created near the top of the valence band has hole conductivity.
Das Bein musste oberhalb des Knies amputiert werden.: The leg had to be amputated above the knee.

My marks are above average.
I found it difficult to make myself heard above the noise.
Children are one thing above all else, and that is loud.
Fog hangs above the river.
Fog is hanging above the river.
I can't yet make a firm diagnosis – for that, I'd first need all the test results. However, what your wife needs above all else now is rest.
Tom towered above the other children.
Tom towered above all the other children.
The mountain is two thousand metres above sea level.
Displayed prominently above the gate was a relief depicting a battle scene.
With their boldly coloured liveries, the trains that roll into Zurich Central Station are clean and, above all, on time.
The sky above was deep blue.
He seemed to be above all suspicion and yet, in the end, turned out to be the culprit.
A squirrel was trapped in the flue above the fireplace.
They walked to the end of the jetty and sat down, their feet dangling above the water.
He could hear something heavy sliding in the room above him.
We rented a flat above a shop in the High Street.
There is a window above the bed.
I had trouble making myself heard above the noise.
Tom is two years above me at secondary school.