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tsgettoolbox_ldas - Quick Guide

The ‘tsgettoolbox_ldas’ is a plugin-in for ‘tsgettoolbox’ that supplies a command line interface and Python library to get time-series data from the California Data Exchange Center (CDEC). The tsgettoolbox_ldas will work with Python and 3.10+.

Documentation

Reference documentation is at tsgettoolbox LDAS API.

Installation

At the command line:

$ pip install tsgettoolbox_ldas

OR

$ conda install -c conda-forge tsgettoolbox_ldas

Usage Summary - Command Line

Just run ‘tsgettoolbox –help’ to get a list of subcommands. To get detailed help for a particular sub-command, for instance ‘ldas’, type ‘tsgettoolbox ldas –help’.

Sub-command

Spatial Extent

Time Extent

Type

Time Interval

Description

ldas (DEPRECATED)

global

varies

grid

varies

Land Data Assimilation System

ldas_gldas_noah

global

2000-

grid 0.25deg

3H

GLDAS NOAH hydrology model results

ldas_gldas_noah_v2_0

global

1948- 2014

grid 0.25deg

3H

GLDAS NOAH hydrology model

ldas_gldas_noah_v2_1

global

2000-

grid 0.25deg

3H

GLDAS NOAH hydrology model

ldas_grace

NAmeric a

2002-

grid 0. 125deg

7D

Groundwater and soil moisture from GRACE

ldas_merra

global

1980-

grid 0.5x 0. 625deg

H

MERRA-2 Land surface

ldas_nldas3_forcing

NAmeric a

2001-

grid 0.01deg

HDM

NLDAS3 Weather Forcing A (surface)

ldas_nldas_fora

NAmeric a

1979-

grid 0. 125deg

H

NLDAS Weather Forcing A (surface)

ldas_nldas_noah

NAmeric a

1979-

grid 0. 125deg

H

NLDAS NOAH hydrology model

ldas_nldas_vic

NAmeric a

1979-

grid 0. 125deg

H

NLDAS VIC hydrology model

ldas_smerge

global

1997-

grid 0. 125deg

D

SMERGE-Noah-CCI root zone soil

Time Interval Code

Description

H

Hourly

D

Daily

M

Monthly

Usage Summary - Python Library

To use the tsgettoolbox in a project:

from tsgettoolbox import tsgettoolbox
df = tsgettoolbox.ldas_nldas_fora(
    34,
    100,
    variables="NLDAS_FORA0125_H_2_0_Rainf",
    startDate="2001-01-01T00",
    endDate="2001-02-02T00",
)
print(df.head())

Refer to the API Documentation at tsgettoolbox LDAS API.

Usage Summary - Command Line

tsgettoolbox ldas_nldas_fora

–34 –100 –variables=”NLDAS_FORA0125_H_2_0_Rainf” –startDate=”2001-01-01T00” –endDate=”2001-02-02T00” > output.csv

Refer to the command line documentation at tsgettoolbox LDAS API.

Development

Development is managed on bitbucket or github. https://bitbucket.org/timcera/tsgettoolbox_ldas/overview. https://github.com/timcera/tsgettoolbox_ldas

Metadata

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