All posts; Tags Include "Oceanography"
- November 11, 2016
- 04:00 AM
- 63 views
Friday Fellow: Wheel Necklace Diatom
by Piter Boll in Earthling Nature
by Piter Kehoma Boll Most of you likely know what diatoms are, microscopic algae with a silica shell that are very abundant in the world’s oceans and one of the main oxygen producers. You may have seen images like the … Continue reading →... Read more »
Ianora, A., Poulet, S., Miralto, A., & Grottoli, R. (1996) The diatom Thalassiosira rotula affects reproductive success in the copepod Acartia clausi. Marine Biology, 125(2), 279-286. DOI: 10.1007/BF00346308
Krawiec, R. (1982) Autecology and clonal variability of the marine centric diatom Thalassiosira rotula (Bacillariophyceae) in response to light, temperature and salinity. Marine Biology, 69(1), 79-89. DOI: 10.1007/BF00396964
- September 18, 2016
- 07:03 AM
- 340 views
5 Things We Learned This Week | Open-Access Science | Week 37, 2016
by TakFurTheKaffe in Tak Fur The Kaffe
New theories in ocean circulation and acidification, shorter sea ice season in polar bear habitats, and new tools to track bird migrations and hair protein analysis in forensic IDs. Here are five of the latest scientific studies published open-access this week.... Read more »
Klockmann, M., Mikolajewicz, U., & Marotzke, J. (2016) The effect of greenhouse gas concentrations and ice sheets on the glacial AMOC in a coupled climate model. Climate of the Past, 12(9), 1829-1846. DOI: 10.5194/cp-12-1829-2016
Sutton, A., Sabine, C., Feely, R., Cai, W., Cronin, M., McPhaden, M., Morell, J., Newton, J., Noh, J., Ólafsdóttir, S.... (2016) Using present-day observations to detect when anthropogenic change forces surface ocean carbonate chemistry outside preindustrial bounds. Biogeosciences, 13(17), 5065-5083. DOI: 10.5194/bg-13-5065-2016
Stern, H., & Laidre, K. (2016) Sea-ice indicators of polar bear habitat. The Cryosphere, 10(5), 2027-2041. DOI: 10.5194/tc-10-2027-2016
Shamoun-Baranes, J., Farnsworth, A., Aelterman, B., Alves, J., Azijn, K., Bernstein, G., Branco, S., Desmet, P., Dokter, A., Horton, K.... (2016) Innovative Visualizations Shed Light on Avian Nocturnal Migration. PLOS ONE, 11(8). DOI: 10.1371/journal.pone.0160106
Parker, G., Leppert, T., Anex, D., Hilmer, J., Matsunami, N., Baird, L., Stevens, J., Parsawar, K., Durbin-Johnson, B., Rocke, D.... (2016) Demonstration of Protein-Based Human Identification Using the Hair Shaft Proteome. PLOS ONE, 11(9). DOI: 10.1371/journal.pone.0160653
- July 30, 2016
- 05:55 AM
- 571 views
5 things we learned this week | open-access science week 30, 2016
by TakFurTheKaffe in Tak Fur The Kaffe
Finding flight MH370, origins of human speech, declining penguin colonies, safe carbon storage, and stressed out reef sharks: Here are five of the latest scientific studies published open-access this week.... Read more »
Jansen, E., Coppini, G., & Pinardi, N. (2016) Drift simulation of MH370 debris using superensemble techniques. Natural Hazards and Earth System Sciences, 16(7), 1623-1628. DOI: 10.5194/nhess-16-1623-2016
Lameira, A., Hardus, M., Mielke, A., Wich, S., & Shumaker, R. (2016) Vocal fold control beyond the species-specific repertoire in an orang-utan. Scientific Reports, 30315. DOI: 10.1038/srep30315
Cimino, M., Lynch, H., Saba, V., & Oliver, M. (2016) Projected asymmetric response of Adélie penguins to Antarctic climate change. Scientific Reports, 28785. DOI: 10.1038/srep28785
Kampman, N., Busch, A., Bertier, P., Snippe, J., Hangx, S., Pipich, V., Di, Z., Rother, G., Harrington, J., Evans, J.... (2016) Observational evidence confirms modelling of the long-term integrity of CO2-reservoir caprocks. Nature Communications, 12268. DOI: 10.1038/ncomms12268
Mourier, J., Maynard, J., Parravicini, V., Ballesta, L., Clua, E., Domeier, M., & Planes, S. (2016) Extreme Inverted Trophic Pyramid of Reef Sharks Supported by Spawning Groupers. Current Biology. DOI: 10.1016/j.cub.2016.05.058
- April 11, 2016
- 02:00 AM
- 670 views
Week 14 In Review: Open-Access Science | 4 to 10 April
by TakFurTheKaffe in Tak Fur The Kaffe
River flooding boosts carbon emissions, six new species of Chinese dragon millipedes discovered, how ancient animals adapted to climate change, maths tell palaeontologists where to find fossils, and the Arctic Ocean was ice-free ten million years ago. Here are five of the latest scientific studies published open-access this week.... Read more »
Stegen, J., Fredrickson, J., Wilkins, M., Konopka, A., Nelson, W., Arntzen, E., Chrisler, W., Chu, R., Danczak, R., Fansler, S.... (2016) Groundwater–surface water mixing shifts ecological assembly processes and stimulates organic carbon turnover. Nature Communications, 11237. DOI: 10.1038/ncomms11237
Liu, W., Golovatch, S., & Tian, M. (2016) Six new species of dragon millipedes, genus Desmoxytes Chamberlin, 1923, mostly from caves in China (Diplopoda, Polydesmida, Paradoxosomatidae). ZooKeys, 1-24. DOI: 10.3897/zookeys.577.7825
Botha-Brink, J., Codron, D., Huttenlocker, A., Angielczyk, K., & Ruta, M. (2016) Breeding Young as a Survival Strategy during Earth’s Greatest Mass Extinction. Scientific Reports, 24053. DOI: 10.1038/srep24053
Block, S., Saltré, F., Rodríguez-Rey, M., Fordham, D., Unkel, I., & Bradshaw, C. (2016) Where to Dig for Fossils: Combining Climate-Envelope, Taphonomy and Discovery Models. PLOS ONE, 11(3). DOI: 10.1371/journal.pone.0151090
Stein, R., Fahl, K., Schreck, M., Knorr, G., Niessen, F., Forwick, M., Gebhardt, C., Jensen, L., Kaminski, M., Kopf, A.... (2016) Evidence for ice-free summers in the late Miocene central Arctic Ocean. Nature Communications, 11148. DOI: 10.1038/ncomms11148
- February 28, 2016
- 08:35 AM
- 871 views
Week 8 In Review: Open-Access Science | 22 to 28 Feb
by TakFurTheKaffe in Tak Fur The Kaffe
Sea level rose faster in the 20th century than in any other century of the last 3,000 years, new methods for estimating future sea level rise and heat waves, consumers to blame for their carbon footprint, and new virtual forests predict future impacts of climate change. Here are five of the latest scientific studies published open-access this week.... Read more »
Kopp, R., Kemp, A., Bittermann, K., Horton, B., Donnelly, J., Gehrels, W., Hay, C., Mitrovica, J., Morrow, E., & Rahmstorf, S. (2016) Temperature-driven global sea-level variability in the Common Era. Proceedings of the National Academy of Sciences, 201517056. DOI: 10.1073/pnas.1517056113
Mengel, M., Levermann, A., Frieler, K., Robinson, A., Marzeion, B., & Winkelmann, R. (2016) Future sea level rise constrained by observations and long-term commitment. Proceedings of the National Academy of Sciences, 201500515. DOI: 10.1073/pnas.1500515113
Leary, E., Young, L., DuClos, C., & Jordan, M. (2015) Identifying Heat Waves in Florida: Considerations of Missing Weather Data. PLOS ONE, 10(11). DOI: 10.1371/journal.pone.0143471
Ivanova, D., Stadler, K., Steen-Olsen, K., Wood, R., Vita, G., Tukker, A., & Hertwich, E. (2015) Environmental Impact Assessment of Household Consumption. Journal of Industrial Ecology. DOI: 10.1111/jiec.12371
Liénard, J., & Strigul, N. (2016) An individual-based forest model links canopy dynamics and shade tolerances along a soil moisture gradient. Royal Society Open Science, 3(2), 150589. DOI: 10.1098/rsos.150589
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- February 25, 2016
- 03:05 PM
- 658 views
Grow, coral, grow!
by dominicwhite in Two Degrees or Under
I was just reading this fascinating article published online yesterday in Nature, called “Reversal of ocean acidification enhances net coral reef calcification“. The study is investigating what effect ocean acidification is having on reefs, a tricky problem as other confounding...... Read more »
Albright, R., Caldeira, L., Hosfelt, J., Kwiatkowski, L., Maclaren, J., Mason, B., Nebuchina, Y., Ninokawa, A., Pongratz, J., Ricke, K.... (2016) Reversal of ocean acidification enhances net coral reef calcification. Nature. DOI: 10.1038/nature17155
- January 23, 2016
- 12:25 AM
- 720 views
Top four threats to the ocean, according to marine scientists
by TakFurTheKaffe in Tak Fur The Kaffe
Overfishing, global warming, waste and contamination, and ocean acidification are at the forefront of scientists concerns.... Read more »
Boonstra, W., Ottosen, K., Ferreira, A., Richter, A., Rogers, L., Pedersen, M., Kokkalis, A., Bardarson, H., Bonanomi, S., Butler, W.... (2015) What are the major global threats and impacts in marine environments? Investigating the contours of a shared perception among marine scientists from the bottom-up. Marine Policy, 197-201. DOI: 10.1016/j.marpol.2015.06.007
- November 5, 2015
- 07:47 PM
- 885 views
Baby Giant Squids
by Dr. M in Deep Sea News
We know almost nothing about Giant Squids with mantles lengths less than 1000 mm (~40 inches). Very young squids are even more enigmatic than adults. A recent study reports the collection of three very young Giant Squids off the Japanese coast. The three young measured 140.8, 332, and 332 mm (5.5 and 13 inches). The heaviest of […]... Read more »
Wada, T., Kubodera, T., Yamada, M., & Terakado, H. (2015) First records of small-sized young giant squid Architeuthis dux from the coasts of Kyushu Island and the south-western Sea of Japan. Marine Biodiversity Records. DOI: 10.1017/S175526721500127X
- November 3, 2015
- 04:20 PM
- 1,134 views
I Pity the Species That Doesn’t Decorate
by Dr. M in Deep Sea News
Mr. T made mohawks and fool pitying a life goal for many. Another life goal for many, thanks to first name Mr, middle name period, last name T, was decorating themselves with enough gold chains to crash a third-world economy. Although humans are the only species where decoration functions strongly in social interactions (see Beyonce), […]... Read more »
Ruxton, G., & Stevens, M. (2015) The evolutionary ecology of decorating behaviour. Biology Letters, 11(6), 20150325. DOI: 10.1098/rsbl.2015.0325
- October 28, 2015
- 01:25 AM
- 1,000 views
First field observations of one of the world’s rarest whales:
by TakFurTheKaffe in Tak Fur The Kaffe
Scientists have made the first ever field observations of the Omura's whale -- the least known species of whales in the world. The results are published in the open-access Royal Society Open Science journal.... Read more »
Cerchio, S., Andrianantenaina, B., Lindsay, A., Rekdahl, M., Andrianarivelo, N., & Rasoloarijao, T. (2015) Omura’s whales (Balaenoptera omurai) off northwest Madagascar: ecology, behaviour and conservation needs . Royal Society Open Science, 2(10), 150301. DOI: 10.1098/rsos.150301
- October 26, 2015
- 01:25 AM
- 1,019 views
A week in review: Top open-access science stories
by Cath Jex in Tak Fur The Kaffe
There's simply not enough time in the week to write about everything that I'd like! So here are 6 extra short summaries of scientific studies published during the past week, available free via open-access journals for anyone and everyone to read and enjoy!... Read more »
Bergmann, M., Sandhop, N., Schewe, I., & D’Hert, D. (2015) Observations of floating anthropogenic litter in the Barents Sea and Fram Strait, Arctic. Polar Biology. DOI: 10.1007/s00300-015-1795-8
Padowski, J., Gorelick, S., Thompson, B., Rozelle, S., & Fendorf, S. (2015) Assessment of human–natural system characteristics influencing global freshwater supply vulnerability. Environmental Research Letters, 10(10), 104014. DOI: 10.1088/1748-9326/10/10/104014
Conrad, T., & Ayasse, M. (2015) The Role of Vibrations in Population Divergence in the Red Mason Bee, Osmia bicornis. Current Biology. DOI: 10.1016/j.cub.2015.08.059
Luo J, Ault JS, Shay LK, Hoolihan JP, Prince ED, Brown CA, & Rooker JR. (2015) Ocean Heat Content Reveals Secrets of Fish Migrations. PloS one, 10(10). PMID: 26484541
Yoon JH, Wang SY, Gillies RR, Kravitz B, Hipps L, & Rasch PJ. (2015) Increasing water cycle extremes in California and in relation to ENSO cycle under global warming. Nature communications, 8657. PMID: 26487088
Lively, J. (2015) A new species of baenid turtle from the Kaiparowits Formation (Upper Cretaceous, Campanian) of southern Utah. Journal of Vertebrate Paleontology. DOI: 10.1080/02724634.2015.1009084
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- October 17, 2015
- 06:25 AM
- 1,002 views
Five maps to show how sea level rise affects you
by Cath Jex in Tak Fur The Kaffe
TFTK has found five of the best free maps that show the neighbourhoods most vulnerable to sea level rise.... Read more »
Winkelmann, R., Levermann, A., Ridgwell, A., & Caldeira, K. (2015) Combustion of available fossil fuel resources sufficient to eliminate the Antarctic Ice Sheet. Science Advances, 1(8). DOI: 10.1126/sciadv.1500589
Strauss BH, Kulp S, & Levermann A. (2015) Carbon choices determine US cities committed to futures below sea level. Proceedings of the National Academy of Sciences of the United States of America. PMID: 26460051
- September 23, 2015
- 06:25 AM
- 706 views
Clear global warming signal since the second world war
by Cath Jex in Tak Fur The Kaffe
Climate scientists have calculated that global warming first became evident in temperature records in Africa in the 1940s.... Read more »
King, A., Donat, M., Fischer, E., Hawkins, E., Alexander, L., Karoly, D., Dittus, A., Lewis, S., & Perkins, S. (2015) The timing of anthropogenic emergence in simulated climate extremes. Environmental Research Letters, 10(9), 94015. DOI: 10.1088/1748-9326/10/9/094015
- September 21, 2015
- 09:05 AM
- 534 views
And even more on motivation
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
Last week we talked about motivation quite a bit: First about why do students engage in academic tasks?, then about how motivation is proportional to the expectation of achieving a goal. Today I want to bring it all together a … Continue reading →... Read more »
Ana T. Torres-Ayala, & Geoffrey L. Herman. (2012) Motivating Learners: A Primer for Engineering Teaching Assistants. American Society for Engineering Education. info:/
- September 16, 2015
- 05:11 AM
- 628 views
Motivation proportional to the expectation of achieving a goal?
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
In the last post I talked about a paper on “Motivating Learners: A Primer for Engineering Teaching Assistants” by Torres-Ayala and Herman (2012). Today, I want to present a different motivation theory, also described in that paper: Attribution theory Attribution … Continue reading →... Read more »
Ana T. Torres-Ayala, & Geoffrey L. Herman. (2012) Motivating Learners: A Primer for Engineering Teaching Assistants. American Society for Engineering Education. info:/
- September 14, 2015
- 03:15 AM
- 527 views
Motivation: dangle a carrot rather than threaten with a whip!
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
Why do students engage in academic tasks? Next week I am giving a workshop on teaching large classes at TU Dresden. I gave a similar workshop there in spring, but because of its success I’ve been given twice as much … Continue reading →... Read more »
Ana T. Torres-Ayala, & Geoffrey L. Herman. (2012) Motivating Learners: A Primer for Engineering Teaching Assistants. American Society for Engineering Education. info:/
- September 7, 2015
- 05:37 AM
- 445 views
Can there be “too much” instruction? Apparently yes!
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
I recently, via the blogpost “lessons from a toy” by Eyler (2015), came across the article “The Double-edged Sword of Pedagogy: Instruction limits spontaneous exploration and discovery” by Bonawitz, Shafto, Gweon, Goodman, Spelke and Schulz (2011). The article sets out to find out whether children primarily … Continue reading →... Read more »
Bonawitz, E., Shafto, P., Gweon, H., Goodman, N., Spelke, E., & Schulz, L. (2011) The double-edged sword of pedagogy: Instruction limits spontaneous exploration and discovery. Cognition, 120(3), 322-330. DOI: 10.1016/j.cognition.2010.10.001
- August 31, 2015
- 05:22 AM
- 538 views
When math hurts
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
One of the larger projects I am currently working on deals with connecting the math courses, which are compulsory for all freshmen at my university and taught for most students together, with the other subjects they are taking at the same … Continue reading →... Read more »
Lyons, I., & Beilock, S. (2012) When Math Hurts: Math Anxiety Predicts Pain Network Activation in Anticipation of Doing Math. PLoS ONE, 7(10). DOI: 10.1371/journal.pone.0048076
- July 31, 2015
- 05:01 AM
- 603 views
Of the importance of giving opportunities to practice
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
When you are short on time and want to teach as much as possible in a given time, how do you allocate time to different activities and are there any that you might be able to drop? Classically, practice is … Continue reading →... Read more »
Martin, F., Klein, J., & Sullivan, H. (2007) The impact of instructional elements in computer-based instruction. British Journal of Educational Technology, 38(4), 623-636. DOI: 10.1111/j.1467-8535.2006.00670.x
- July 29, 2015
- 02:53 AM
- 726 views
How do you make sure your students come prepared to your flipped course?
by Mirjam Sophia Glessmer in Adventures in Oceanography and Teaching
As I mentioned a while back, we are preparing a flipped course. And the biggest question always is how to make sure students actually prepare for class. Because if they weren’t prepared, what would you do? Repeat the content they … Continue reading →... Read more »
Heiner, C., Banet, A., & Wieman, C. (2014) Preparing students for class: How to get 80% of students reading the textbook before class. American Journal of Physics, 82(10), 989-996. DOI: 10.1119/1.4895008
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