Table 2.

Metadata for the turbine and pump passage pressure profiles, collected using autonomous sensors, used within the swim bladder gas expansion model.

Dam	Location	Dam height (m)	Turbine/pump type	Turbine/pump capacity	Operational conditions during data collection				Sensor	Data source
					Release description	$h$(m)	$d$(m3 s–1)	Sensor release depth (m)
Ice Harbor Dam	Snake River, USA	31	Kaplan	3 × 90 MW; 3 × 111 MW	Unit 1 (90 MW turbine), upper 1% of peak efficiency, deep release	30.2	402	ca. 38	Gen 2 Sensor Fish36	22
Nam Ngum Dam	Nam Ngum River, Laos	70	Francis	2 × 17.5 MW; 3 × 40 MW	Unit 1 (17.5 MW turbine)	38.7	52	14	Gen 2 Sensor Fish36	39
Cougar Dam	McKenzie River, USA	138	Francis	2 × 12.5 MW	Unit 2, maximum wicket gate opening	88.1	16	Penstock entrance in the dam forebay	Gen 1 Sensor Fish35	40
Duivelsput pumping station	Oude Kale River, Belgium	1.87	Axial flow [AF] and Fairbanks Nijhuis [FN] pump	AF: 3 × 1 m3 s–1; FN: 2 × 1.1 m3 s–1	FN pump no.1 at 40 Hz (~ 468 rpm)	1.87	0.76	Water surface	BDS sensor37	Pers. Comm. Jeffrey Tuhtan

$h$ hydraulic head, $d$ turbine/pump discharge.