Melting Permafrost Melting Permafrost and its Effects

INTRODUCTION

Melting Permafrost:

How melting permafrost is contributing to global warming and threatening New Zealand’ s native species

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By Jessica Cowie

INTRODUCTION

Permafrost: A layer of frozen sediment or rock that has been frozen for more than two consecutive years. In areas that are not overlain by ice permafrost can be found underneath a layer of soil, rock or sediment that unlike permafrost, thaws annually. This is know as the active