Thermal infrared surveying of reactivated geothermal springs using an unmanned aerial vehicle at Waiwera, Auckland - Remote sensing can be used to identify subtle natural geothermal surface features and assist with follow-up mapping and sampling. This study presents the use of repeated aerial thermal infrared surveys at Waiwera to monitor recovery of artesian flow in low-temperature systems.

The New Zeeland Herald - https://www.nzherald.co.nz/nz/return-of-a-kiwi-wonder-waiweras-famous-hot-springs-showing-exciting-signs-of-life/7M7C6W63IJCELGJ5DQC3I7RQEE/ 
New Zealand Journal of Geology and Geophysics - https://www.tandfonline.com/doi/full/10.1080/00288306.2025.2464026