The compressibility of XML is excellent. We achieve about 95% compression.
There was a question that the effect that long element names had on output. Specifically, the waterML 1.1 value attribute "qualityControlLevelCode"
As a test, I shortened that attribute to "qcCode"
| Test | Uncompressed | zip | gzip |
|---|
| Mendon - one variable | 157k | 9k | 8k | - | Mendon - one variable qcCode | 147k | 9k | 8k |
| Wellsville- all for time period | 6918k | 359k | 357k |
| Wellsville- all for time period qcCode | 6298k | 358k | 357k |
We can spend a lot of time working on the details to make the informaiton look as short as possible, but when compressed