Guidelines on dual scanning lidar measurements for wind resource assessments

Introduction

Scanning light detection and ranging (lidar) technologies are finding increasing use for wind speed measurements, especially in the field of wind resource assessments for the wind energy industry. Two key advantages of scanning lidars compared to other wind measurement technologies are: 

1. They enable multiple measurement locations to be interrogated with a single measurement setup, and 
2. Their long-range capability enables measurements at inaccessible locations. 

This can help to reduce costs and logistic efforts, for example when measuring wind speed over the sea from locations on the coast, or if interrogating multiple locations in a large planning area with limited access and infrastructure. 

The aim of this document is to provide guidance in the absence of an existing standard. By sharing practical insights and best practices in campaign planning and execution, uncertainty assessment, and documentation it may facilitate the decision-making process and make the technology more accessible to potential users.

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