School Name: ____Tri-Valley_______________________ Study Site: ICE-___HLY______
Observer Names:_Mark Martin_____________________________________________
Date: Year: 2009________ Month: _May______ Day: __8_______
Local Time (hour:min): ___11:45 am_______ Universal Time (hour:min): ______________
General Break-Up Ice Observations:
Ice present?
Static Ice:
X ❒ Yes ❒ No
Upstream:
Ice fractured:
Water on ice:
Holes in ice:
Channel through ice:
Downstream:
Ice fractured:
Water on ice:
Holes in ice:
Channel through ice:
X ❒ Yes ❒ No
❒ Yes X ❒ No
X ❒ Yes ❒ No
X ❒ Yes ❒ No
X ❒ Yes ❒ No
❒ Yes X ❒ No
X ❒ Yes ❒ No
X ❒ Yes ❒ No
Moving ice:
Upstream:
Downstream:
Ice surface:
(may choose more than one)
❒ Yes X ❒ No
❒ Yes X ❒ No
❒ Smooth X ❒ Rough X ❒ Blocky/Broken/Jumbled
❒ Melt ponds ❒ Wet/Flooded ❒ Ice jam
Environmental Observations:
Cloud Cover:

If Three-quarters or More of the Sky is Visible: (Check one)
No Clouds Clear Isolated Scattered
❑ 0%-No Clouds
X ❑ <10% Clouds ❑ 10-25% Clouds ❑ 25-50% Clouds
Broken Overcast
❑ 50-90% Clouds ❑ >90% Clouds

If View of More than One-quarter of the Sky is Blocked:
Obscured ❑ Check here
Wind*:
Precipitation type:
Why is the view of the sky blocked? (Check all that apply)
❑
Blowing Snow
❑
Heavy Snow
❑
Heavy Rain
❑
Fog
❑
Spray
❑ Volcanic Ash ❑ Smoke ❑ Dust ❑ Sand ❑ Haze
❒ Calm (0 m/s) X ❒ Light wind (0.3-5.4 m/s) ❒ Windy (>5.4 m/s)
X ❒ None ❒ Snow flurries ❒ Snowing ❒ Fog/Drizzle ❒ Rain ❒ Freezing rain
*See Ice Phenology Investigation Field Guide for definitions.
Environmental Observation Comments:

The temperature at the time of observation was 9.4 degrees C. Most of the boarder ice is now gone as well. There are just small pieces of ice left over from breakup off the sides of the river.
We are pretty much done for this spring.
Standard Photograph Set of River Ice Break-Up:
When you download the photos from your camera, rename them to follow the convention study site ID _ date _ photo view (so the format would be: ICE-99_YYMMDD_XXXXXX where XXXXXX is Up, Down, or Across ).
Enter the filename, and optional comments, for each photo here:
Across photo: ICE- HLY_080509_Acr Across
Comments:_______________________________________________________________
Upstream photo: ICE- HLY_080509_Up Up
Comments:_______________________________________________________________
Downstream photo: ICE- HLY_080509_Dn Down
Comments:_______________________________________________________________
Optional Additional Photographs of River Ice Break-Up:
Enter the filename of each photo and accompanying comments here:
Additional photo 1: ICE-__ _ _________ _ _______________
Comments:_______________________________________________________________
Additional photo 2: ICE-__ _ _________ _ _______________
Comments:_______________________________________________________________
Additional photo 3: ICE-__ _ _________ _ _______________
Comments:_______________________________________________________________
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