Geospatial Systems -
Samuel Christelow

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Samuel Christelow

Nottingham Geospatial Institute, University of Nottingham, NG7 2TU


About Samuel Christelow



Hi! I am Sam and I joined Cohort 2 of the Geospatial Systems CDT in September 2020.


I have a background in computational and statistical Physics, graduating from the University of Nottingham with an MSci (Hons) in Physics in August 2020. My fourth-year research project aimed to simulate the service and residential population distributions of six UK cities via the application of a two-state Ising-type spin model. Through a summer internship and subsequent contract work, I also have industrial experience as a data analyst in the data centre thermal management sector.


In my MRes year in the CDT, I used GNSS Reflectometry (GNSS R) data from two different satellites to compare soil moisture retrieval accuracy.


PhD Research:

Climate change is one of the most pressing issues facing humanity in the 21st century, improving the monitoring of climate change is therefore critical. The use of satellite data for Earth Observation (EO) has great potential in this field and is already widely used for monitoring Essential Climate Variables (ECVs).


My research focuses on the utilisation of GNSS R data in conjunction with more traditional EO data (SAR etc.) to estimate ECVs more accurately and more frequently. This work builds on the novel field of GNSS R in the build-up to the launch of ESA’s HydroGNSS mission in 2024.


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