Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Physical characteristics (organic matter, volumetric water content, density, and porosity) of the Po River sediments in each season. Standard deviations are reported (±)
| Seasons | Sampling day | OM (%) | VWC (%) | Density (g mL−1) | Porosity |
|---|---|---|---|---|---|
| Winter | 15th February | 1.6 ± 0.5 | 37 (±) 14 | 1.6 (±) 0.2 | 0.6 (±) 0.1 |
| Spring | 3rd May | 0.6 ± 0.01 | 23 (±) 2 | 1.9 (±) 0.1 | 0.4 (±) 0.04 |
| Summer | 19th July | 0.4 ± 0.03 | 18 (±) 1 | 2.0 (±) 0.1 | 0.4 (±) 0.03 |
| Autumn | 14th November | 1.7 ± 0.4 | 33 (±) 2 | 1.8 (±) 0.2 | 0.6 (±) 0.1 |
