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Illilouette Creek Basin Weather Stations


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Created: Jul 31, 2025 at 6:48 p.m. (UTC)
Last updated: Sep 15, 2025 at 10:51 p.m. (UTC)
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Content types: Single File Content  CSV Content 
Sharing Status: Public
Publication Status:
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Abstract

This dataset is part of a project studying the effects of wildfire on the Illilouette Creek Basin, a watershed within Yosemite National Park. Three temporary weather stations were installed under distinct types of vegetation cover. Each station measures air temperature, relative humidity, rainfall (the rain gage is not heated, so only the portion of snowfall that melts within the gage is measured), wind speed and direction, solar radiation, and both soil moisture and temperature at three depths. These measurements are recorded every 10 minutes, beginning in the summer of 2015 through June 2021. Snow depths and percent cover were estimated from time lapse imagery up to four times per day, and field measurements of snow depth and density were conducted up to two times each winter. The west-facing hillside where these stations are located most recently burned in 2004 and 2017 (Empire Fire). Photos are included of the stations both before and after the Empire Fire. For descriptions of the data format and units, see the included WeatherStnMetadata.xlsx file.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
37.6765°
East Longitude
-119.5649°
South Latitude
37.6754°
West Longitude
-119.5668°

Temporal

Start Date:
End Date:

Content

README.txt

CSV files contain 10-minute data from three temporary weather stations in Illilouette Creek Basin, Yosemite National Park. See included Metadata Excel file for a description of each variable measured.
					
The "Photos" folder includes photos of each weather station, labeled with the station ID (A,B, or C), year the photo was taken, and direction the camera is facing.
Photos from 2017 also include the label "postEmpireFire" to specify that they were taken after the Empire Fire which burned in the fall of 2017.				
The "Snow" folder includes estimates of snow depth and snow coverage (as a % ground coverage) over time, derived from time lapse imagery. This folder also contains field measurements of snow depth (measured in a grid surrounding each weather station) and density (measured using a snow pit located adjacent to each station).
														
Weather Station Descriptions:
					
Data Table 	Longitude	Latitude	Elevation (m)	Dominant Vegetation	Station ID
TableA1		-119.564904	37.675495	2113		Mixed Conifer		A
TableB1		-119.565413	37.676544	2110		Ceanothus cordulatus	B
TableC1		-119.566771	37.675441	2095		Wetland vegetation	C
					
Rainfall Note: The rain gage is not heated, and therefore snowfall is not captured by the rain gage (unless it is a small enough amount to all melt inside the rain gage).

Contact: Gabrielle Boisrame, gboisrame@berkeley.edu or Scott Stephens, sstephens@berkeley.edu	

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation Critical Zone Collaborative Research Network 2011346
Joint Fire Science Program Hydrology and Fire in the Sierra Nevada: A Possible Triple Win 14-1-06-22

How to Cite

Boisrame, G. F., E. Rakhmatulina, S. Thompson, S. Stephens (2025). Illilouette Creek Basin Weather Stations, HydroShare, http://www.hydroshare.org/resource/693e58d1f40b4b97bc942df56bb16077

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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