exploring the data and trying to make sense of it. . ,, ., make sense of it. thank you, we have used satellite — make sense of it. thank you, we have used satellite data _ make sense of it. thank you, we have used satellite data from _ make sense of it. thank you, we have used satellite data from different - used satellite data from different satellite sensors and combinations to calculate the volume loss. 0ne kind of satellite sensor is basically inventory, that we take from space. it can tell us about the iceberg area, and how the iceberg breaks apart. then we need a different kind of satellite, which kind of measures the distance from the satellite to the surface. there, we can see how the iceberg thins or melts from underneath, is the height changes. and then we can combine basically the thickness measurement on the area measurement to calculate the volume change, and therefore also how much fresh water is released, or how the mass of the iceberg changed. the released, or how the mass of the iceberg changed.— released, or how the mass of the iceberg changed. the huge iceberg broke free from _ iceberg changed. the huge iceberg broke free from and _ iceberg changed. the huge iceberg broke free from and in _ iceberg changed. the huge iceberg broke free from and in 2017. - iceberg changed. the huge iceberg broke free from and in 2017. i - broke free from and in 2017. i understand that by early 2021 it had vanished. so, to what extent can you extrapolate from that any lessons