This is the 13153rd most frequent Russian word.
месторождениях
"Deposits" or "mineral deposits."
The word 'месторождениях' is used here to indicate locations where resources like oil are naturally accumulated and extracted from.
На Дальнем Востоке находятся крупные месторождения нефти.
In the Far East, there are large oil deposits.
In this sentence, 'месторождениях' is used to describe the context in which climatic conditions affect these resource deposits.
Учёные изучают влияние климатических условий на месторождениях.
Scientists are studying the impact of climatic conditions on deposits.
Here, 'месторождениях' refers to the specific locations where new resources are planned to be extracted.