River Ice Data Instrumentation
SURVEY OF PRESENT METHODS
Figure 2. Ice data instrumentation survey
Ice parameter monitoring and importance
Table 2. Ice parameters currently monitored, by Divisions
Data collection methods and sources
Table 4. Survey results on data collection methodology in use by USACE Divisions
Instrumentation in use
Data storage and retrieval
Figure 6. Timing of reported ice impacts: freezeup only, breakup only, or both
INSTRUMENTATION EVALUATION
Stage
Discharge
Air and water temperature - CR97_020020
Ice thickness
Ice movement and velocity - CR97_020022
Figure 9. Photographic grid method for determining ice velocity and concentration
Developing or future instrumentation
Figure 10. Section view of ultrasonic stage recorder
Figure 12. USGS crest stage used to measure peak stage
Air and water temperature - CR97_020027
Ice thickness-continue
Ice movement and velocity - CR97_020029
Other parameters/instrumentation
Additional instrumentation configurations to consider
Ice volume
EVALUATE SYSTEMS FOR TRANSMITTING, DISPLAYING, EVALUATING, AND STORING RIVER ICE DATA
Table 8. Summary of instrumentation investigated
Table 8. Continued - CR97_020035
Displaying and evaluating data
Summary of data systems
RECOMMENDATIONS - CR97_020038
LITERATURE CITED - CR97_020039
LITERATURE CITED-continue - CR97_020040
LITERATURE CITED-continue - CR97_020041
APPENDIX A: ADDITIONAL SURVEY RESULTS
Table A3. Number of respondents selecting specific rating value for ice-related parameters, by Division
Table A5. Number of respondents using various instrumentation, by Division
Table A7. Timing of ice impacts to structures or operations, by Division
Report Documentation Page - CR97_020046
CR97_02
SURVEY OF PRESENT METHODS
Figure 2. Ice data instrumentation survey
Ice parameter monitoring and importance
Table 2. Ice parameters currently monitored, by Divisions
Data collection methods and sources
Table 4. Survey results on data collection methodology in use by USACE Divisions
Instrumentation in use
Data storage and retrieval
Figure 6. Timing of reported ice impacts: freezeup only, breakup only, or both
INSTRUMENTATION EVALUATION
Stage
Discharge
Air and water temperature - CR97_020020
Ice thickness
Ice movement and velocity - CR97_020022
Figure 9. Photographic grid method for determining ice velocity and concentration
Developing or future instrumentation
Figure 10. Section view of ultrasonic stage recorder
Figure 12. USGS crest stage used to measure peak stage
Air and water temperature - CR97_020027
Ice thickness-continue
Ice movement and velocity - CR97_020029
Other parameters/instrumentation
Additional instrumentation configurations to consider
Ice volume
EVALUATE SYSTEMS FOR TRANSMITTING, DISPLAYING, EVALUATING, AND STORING RIVER ICE DATA
Table 8. Summary of instrumentation investigated
Table 8. Continued - CR97_020035
Displaying and evaluating data
Summary of data systems
RECOMMENDATIONS - CR97_020038
LITERATURE CITED - CR97_020039
LITERATURE CITED-continue - CR97_020040
LITERATURE CITED-continue - CR97_020041
APPENDIX A: ADDITIONAL SURVEY RESULTS
Table A3. Number of respondents selecting specific rating value for ice-related parameters, by Division
Table A5. Number of respondents using various instrumentation, by Division
Table A7. Timing of ice impacts to structures or operations, by Division
Report Documentation Page - CR97_020046
CR97_02
