Table 2 Parameter descriptions as well as ranges for the LSTM model.

From: TSWS: An observation-based streamflow dataset of Tianshan Mountains watersheds (1901–2019)

Parametric

Descriptions

Value range

Type

Steplength

Lag days for meteorological data on streamflow

[0,7]

Integer

numLstmLayers

Number of LSTM learning layers

[1,3]

Integer

Dropout_prob

Loss rate of lost layers

[0,0.5]

Double

SolverName

Solution Methods

{sgdm, rmsprop, adam}

Categorical

InitialLearnRate

Initial learning rate

[1e-3,1]

Log

L2Regularization

L2 regularisation factor (weight recession)

[1e-10,1e-2]

Log

GradientThreshold

Gradient thresholds

[1e-4,3]

Log