WordNet

a high-pitched noise resembling a human cry; "he ducked at the screechings of shells"; "he heard the scream of the brakes" (同)screeching, shriek, shrieking, scream, screaming
an accurately levelled strip of material placed on a wall or floor as guide for the even application of plaster or concrete
a long monotonous harangue
a long piece of writing

PrepTutorEJDIC

(山腹の)じゃり石;(急斜面にかたまった)石くず(人が踏むと崩れ落ちる)
(不快な)金切り声,キーキーいう声(矯) / 金切り声(鋭い音)を出す / …‘を'金切り声で言う(叫ぶ)《+『out』+『名,』+『名』+『out』》
長たらしい手紙(演説)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/05/30 10:30:23」(JST)

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Talus at the bottom of Mount Yamnuska, Alberta, Canada.

Scree is a collection of broken rock fragments at the base of crags, mountain cliffs, volcanoes or valley shoulders that has accumulated through periodic rockfall from adjacent cliff faces. Landforms associated with these materials are often called talus deposits. Talus deposits typically have a concave upwards form, while the maximum inclination corresponds to the angle of repose of the mean debris size.

The term scree comes from the Old Norse term for landslide, skriða,^[1] while the term talus is a French word meaning a slope or embankment.^[2]^[3]

Formation

Talus cones on north shore of Isfjord, Svalbard, Norway.

Formation of scree or talus deposits is the result of physical and chemical weathering and erosion acting on a rock face. The predominant processes that degrade a rock slope depend largely on the regional climate (temperature, amount of rainfall, etc.). Examples are:

Physical weathering by ice
Chemical weathering by mineral hydration, dissolution, and salt deposition
Thermal stresses
Topographic stresses
Biotic processes

Scree formation is commonly attributed to the formation of ice within mountain rock slopes. During the day, water can flow into joints and discontinuities in the rock wall. If the temperature drops enough, for example in the evening, this water may freeze. Since water expands by 9% when it freezes, it can generate large forces that either create new cracks or wedge blocks into an unstable position. Special boundary conditions (rapid freezing and water confinement) may be required for this to happen.^[4] Freeze-thaw scree production is thought to be most common during the spring and fall, when the daily temperatures fluctuate around the freezing point of water, and snow melt produces ample free water.

The efficiency of freeze/thaw processes in scree production is debated by scientists. Many researchers believe that ice formation in large open crack systems cannot generate high pressures, and instead suggest that the water and ice simply flow out of the cracks as pressure builds.^[5] Many argue that frost heaving, like that known to act in soil in permafrost areas, may play an important role in cliff degradation in cold places.^[6]^[7]

Scree-covered glacier, Lech dl Dragon, Italy

Scree can conceal a glacier. For example, Lech dl Dragon, in the Sella group of the Dolomites, derives from the melting waters of a glacier, hidden under a thick layer of scree. The melting process of the underlying glacier is slowed by the protective layer of scree.

Eventually, a rock slope may be completely covered by its own scree, so that production of new material ceases. The slope is then said to be "mantled" with debris.

References

^ Harper, Douglas. "scree". Online Etymology Dictionary. Retrieved 2006-04-20.
^ Harper, Douglas. "talus". Online Etymology Dictionary. Retrieved 2008-12-01.
^ "Talus". bab.la language portal. Retrieved 2011-12-10.
^ Whalley, WB (1984). "Rockfalls". In Brunsden, D.; Prior, DB. Slope Instability. Chichester: John Wiley and Sons. pp. 217–256.
^ Hallet, B (2006). "Why do freezing rocks break?". Science. 314 (5802): 1092–1093. doi:10.1126/science.1135200. PMID 17110559.
^ Walder, J; Hallet, B (1985). "A theoretical model of the fracture of rock during freezing". Geological Society of America Bulletin. 96 (3): 336–346. Bibcode:1985GSAB...96..336W. doi:10.1130/0016-7606(1985)96<336:ATMOTF>2.0.CO;2.
^ Murton, JB; Peterson, R; Ozouf, J-C (2006). "Bedrock fracture by ice segregation in cold regions". Science. 314 (5802): 1127–1129. Bibcode:2006Sci...314.1127M. doi:10.1126/science.1132127. PMID 17110573.

English Journal

Development of a Short Version of the Dutch Version of the Spielberger STAI Trait Anxiety Scale in Women Suspected of Breast Cancer and Breast Cancer Survivors.

De Vries J, Van Heck GL.SourceDepartment of Medical and Clinical Psychology, CoRPS-Center of Research on Psychology in Somatic Diseases, Tilburg University, P.O. Box 90153, 5000 LE, Tilburg, The Netherlands, JVries@elisabeth.nl.
Journal of clinical psychology in medical settings.J Clin Psychol Med Settings.2012 Oct 27. [Epub ahead of print]
The objective of the current study was to develop a short form of the Dutch version of the State-Trait Anxiety Inventory (STAI) Trait scale and to provide initial validation data in a sample of breast cancer patients and survivors. This short trait anxiety (A-Trait) scale was designed to reduce time
PMID 23104184

A critical evaluation of the validity and the reliability of global competency constructs for supervisor assessment of junior medical trainees.

McGill DA, van der Vleuten CP, Clarke MJ.SourceDepartment of Cardiology, The Canberra Hospital, Garran, ACT, 2605, Australia, darryl.mcgill@act.gov.au.
Advances in health sciences education : theory and practice.Adv Health Sci Educ Theory Pract.2012 Oct 2. [Epub ahead of print]
Supervisor assessments are critical for both formative and summative assessment in the workplace. Supervisor ratings remain an important source of such assessment in many educational jurisdictions even though there is ambiguity about their validity and reliability. The aims of this evaluation is to
PMID 23053869

Japanese Journal

Multivariate analysis for geochemical process identification using stream sediment geochemical data: A perspective from compositional data

ＧＥＯＣＨＥＭＩＣＡＬ　ＪＯＵＲＮＡＬ 50(4), 293-314, 2016
NAID 130005254496

無制限複数選択形式の分割表データに対する因子分析

心理学研究 86(6), 535-544, 2016
NAID 130005128433

無制限複数選択形式の分割表データに対する因子分析

心理学研究 advpub(0), 2016
NAID 130005119822

Related Pictures

April 22. Trek Day 10 Manang (3540m) – Tilicho Base Camp (4250m) | Matthew Stokes's Blog scree - definition - What is ? Scree - Wikipedia Upper half of scree slope : Photos, Diagrams & Topos : SummitPost scree-cone - Pete Hawkins Talus vs. Scree - What is the difference? | PMags.com Mountain & Hill Walking Safety Scree Slopes Scree | Mountain Biking Zanes' Blog