Update README.md

README.md

@@ -6,8 +6,19 @@ Collocate submesoscale fronts to phytoplankton levels using satellite imagery
 
 - Download: Scripts for downloading data (SST and Chlorophyll)
 - lib: Reusable code. Scripts for defining databases
-- Compute: The actual code that does stuff. Each python script is accompaniedby a shell
+- Compute: The actual code that does stuff. Each python script is accompanied
+  by a shell script to set the python environnement and launch it.
 - Script: Various utility scripts
 
 
 ## Requirement
+
+    numpy
+    scipy
+    matplotlib
+    cftime>=1.1.3
+    netcdf4
+
+All loading of data from disk (and most of writing results to disk) is done
+using [tomate](https://github.com/Descanonge/tomate), a custom made python
+package to load data from multiple files.
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