$27 LEUCHTTURM1917 - Master Slim A4+ - Ruled Hardcover Notebook (Ant Office Products Office School Supplies Paper $27 LEUCHTTURM1917 - Master Slim A4+ - Ruled Hardcover Notebook (Ant Office Products Office School Supplies Paper LEUCHTTURM1917 - Master Max 74% OFF Slim A4+ Notebook Ruled Hardcover Ant LEUCHTTURM1917 - Master Max 74% OFF Slim A4+ Notebook Ruled Hardcover Ant -,Hardcover,A4+,www.hogardelninocalvillo.org,Slim,/arteriectasis162796.html,Office Products , Office School Supplies , Paper,Master,(Ant,Notebook,$27,Ruled,-,LEUCHTTURM1917 -,Hardcover,A4+,www.hogardelninocalvillo.org,Slim,/arteriectasis162796.html,Office Products , Office School Supplies , Paper,Master,(Ant,Notebook,$27,Ruled,-,LEUCHTTURM1917

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LEUCHTTURM1917 - Master Slim A4+ - Ruled Hardcover Notebook (Ant


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Product Description

A Master of its class when it comes to order and clarity: thicker paper and all our usual details -- Quality since 1917

Master moodMaster mood

The highlights: loose sheets and handouts in A4 format are easily and invisibly stowed away between the pages or in the pocket on the inside of the back cover. Additionally, the the paper quality of the Master versions are identical at 100 g/m² and thus significantly heavier than for all other notebooks.

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Almost all sizes feature the standard 6 mm line

spacing. Only our Master Classic notebook

provides generous 8.5 mm line spacing on

235 pages. The notebooks in Master size have

a side margin with space for comments.

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Dots with 5 mm spacing providing guidelines for

writing, creating tables and drawings and are so

discreet that you would almost think the pages

are blank.

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Available in all sizes and versions – squared

with precise 5 × 5 mm boxes. For calculations,

tables and drawings. Our Master notebooks

also feature a margin.

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Clear, white pages. No margin, no date. Simply

features the page number in the bottom corner.

We also provide each plain Master and Medium

notebook with a ruled and squared guideline page.

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LEUCHTTURM1917 - Master Slim A4+ - Ruled Hardcover Notebook (Ant

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Scientific Data for Research






Ice Sheets


Sea Ice


Ice Shelves


Soil Moisture


Frozen Ground

Advancing knowledge of Earth's frozen regions

NSIDC manages and distributes scientific data, creates tools for data access, supports data users, performs scientific research, and educates the public about the cryosphere.

Arctic Sea Ice News & Analysis

Scientific analysis of Arctic sea ice conditions plus daily images


Working together to understand the changing Arctic system

Snow Today

Scientific analysis of snow conditions in the Western United States plus daily images


NASA Earth science data on snow, ice, cryosphere, and climate

Visit the Cryosphere

Facts, photos and educational resources about Earth's frozen regions

Greenland Today

Daily surface melt images from NASA data, and scientific analysis


14 September 2021

Each September, the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder informs the public of the annual Arctic sea ice minimum extent, an indicator of how climate change is affecting the Arctic, the fastest-warming region of the globe.

Scientists at Northern Arizona University, Arizona State University, the Arizona Geological Survey at the University of Arizona, and the National Snow and Ice Data Center at the University of Colorado Boulder have been awarded almost $2 million from the National Science Foundation (NSF) to develop a virtual reality teaching tool called Polar Explorer.

The National Snow and Ice Data Center (NSIDC) announced this week their participation in the 50x30 Coalition, a group of governments and cryosphere and emissions research institutions endorsing the need to reduce greenhouse gas emissions 50 percent by 2030. The Coalition’s founding members endorse the scientific consensus that failure to reach this milestone will result in temperature “overshoot,” in which emissions remain too high to hold Earth within 1.5 degrees Celsius of pre-industrial levels, leading to major and irreversible damages to the environment. Damage may be especially harmful for highly temperature-sensitive frozen components of the Earth system, with impacts ranging from sea level rise to infrastructure damage to food insecurity.

Arctic sea ice has likely reached its maximum extent for the year, at 14.77 million square kilometers (5.70 million square miles) on March 21, 2021, according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The 2021 maximum is tied with 2007 for seventh lowest in the 43-year satellite record. 

27 April 2021

With support from NASA, the NSIDC DAAC now offers an interactive tool called IceFlow that harmonizes and standardizes lidar data into a uniform format, allowing scientists to analyze significant changes within the cyrosphere.


No events are currently posted.

The Latest on Snow and Ice

16 September 2021

The Arctic sea ice minimum extent is imminent. After a cool and stormy summer, this year’s... read more

2 September 2021

Arctic sea ice extent declined more slowly during August 2021 than most years in the past decade... read more

18 August 2021

On August 14, 2021, rain was observed at the highest point on the Greenland Ice Sheet for... read more

18 August 2021

Sea ice loss during the first half of August stalled, though ice in the Beaufort Sea is finally... read more

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11 August 2021

The Greenland Ice Sheet had two extensive melt events in the second half of July. The second... read more