| 場所(Location) | 群馬県 - 前武尊山十二沢 | 観測点(Point) | Random | ||
| 観測者(Observer) | Fujita.Y | 日付(Date) | 130128 | 時間(Time) | 2145 |
| 斜面・斜度(Incline) | 40 | 斜面方位(Aspect) | E | 標高(Elevation) | 1970 m |
| 風速・風向き(Wind) | M - NW | 天気(Sky) |
|
降水状況(Precip.) | S-1 |
| 気温(Air Temp) | -11.0 (do C) | 雪面温度(Surface) | -7.2 (do C) | タイプ(Type) | Full |
| 靴底貫入度(Foot Pen) | 30 cm | 積雪深 (Snowpack) | cm | ||
| 東経(longitude) | 139-8-56.5 | 北緯(latitude) | 36-47-26.3 | ||
| メモ(Memo) |
130127に発生したと思われる乾雪面発生雪崩の破断面調査。弱層は厚さ1cm、粒度1.0-2.0の降雪結晶。滑り面は76cmのこしまり雪。 |
||||
| H (cm) | R | θ | F(雪質) | E (mm) | ρ(kg/m3) | Comments |
|---|---|---|---|---|---|---|
| 0 | ||||||
| 1F | D |
|
0.5 | |||
| 14 | ||||||
| 4F | D |
|
0.5 |
CMT12(PC)@14cm on PP1.0mm |
||
| 26 | ||||||
| 1F | D |
|
0.5 | |||
| 49 | ||||||
| 1F | D |
|
0.5-1.0 | |||
| 77 | ||||||
| P | D |
|
CTM14(SC)@76cm on PP1.0-2.0mm |
|||
| 78 | ||||||
| P+ | D |
|
0.5 | |||
| 80 | ||||||
| P | D |
|
CTM17(PC)@82cm under crust FC0.5mm |
|||
| 82 | ||||||
| P | D |
|
0.5 |
| H (cm) | T (℃) |
|---|---|
| 0 | -7.0 |
| 10 | -6.0 |
| 20 | -9.0 |
| 30 | -10.0 |
| 40 | -11.0 |
| 50 | -11.0 |
| 60 | -11.0 |
| 70 | -11.0 |
| 80 | -10.0 |
| 90 | -10.0 |
| 100 | -9.0 |
| 110 | -9.0 |