Seasonality Spring 2016. Continuous follow-up on my previous research assessing atmospheric dynamics. (by Diego Fdez-Sevilla, PhD.)


Seasonality Spring 2016. Continuous Follow-up On My Previous Research Assessing Atmospheric Dynamics. (by Diego Fdez-Sevilla, PhD.)

ResearchGate: Seasonality Spring 2016. Continuous Follow-up On Previous Research by Diego Fdez-Sevilla Assessing Atmospheric Dynamics. DOI: 10.13140/RG.2.1.2833.8968

Seasonality is a characteristic of a time series in which the data experiences regular and predictable changes which recur every calendar year. Any predictable change or pattern in a time series that recurs or repeats over a one-year period can be said to be seasonal.

The current situation through Feb/March 2016 in the atmospheric dynamics driving seasonality from Winter to Spring is bringing some interesting points around, and many of them are consistent with the developments expected from the line of research followed in this blog. So I want to share in this post the main principles which drive the standard interpretation of seasonality, the new outcomes from current conditions and the coherences found with my previous research published in this blog (and researchgate).

Seasonality as we know it

Every planet in our solar system has seasons. But the seasons that occur on other planets are extremely different from the traditional spring, summer, fall and winter weather that we experience here on Earth. Despite what may seem like great variations in temperature, weather and climactic conditions in different places around the globe, in reality there actually is little variation in Earth’s overall climate. Why?

There are several factors that affect the weather on the planets. Those factors are defined by two major characteristics.

The astrological interactions derived from the planet’s (Earth) position, shape and motion:

  • the tilt of the planet’s axis (which causes the seasons),
  • the shape of its orbit around the sun,
  • its average distance from the Sun,
  • and, the length of its day as result of how fast it rotates over the planet’s axis.

And, the presence/absence and composition of a significant atmosphere.

Earth’s axis is tilted about 23 degrees, causing the latitude of the Sun to vary from 23 degrees north of the equator at the beginning of northern summer to 23 degrees south of the equator at the beginning of northern winter. On Earth, that tilt is the primary reason for the differences in weather we observe between summer and winter. Planets with smaller tilts might have smaller weather variations; planets with larger tilts could have more extreme variations.

Earth_seasons

Our orbit is nearly circular, so there is little variation in Earth’s overall climate, averaged over both northern and southern hemispheres. But other planets have more elliptical orbits, and therefore their seasonal variations in weather are much different than what we experience. We are much further from the Sun than Mercury or Venus, but closer than the other six planets. Generally, weather variations are more pronounced for those planets closer to the Sun.

seasons.nasa

The terms “summer” and “winter” tend to be Earth-oriented terms but can be applied to the other planets as well. When the North Pole of any planet is tilted toward the sun, astronomers call it the Summer Solstice; when the South Pole is tilted toward the sun it’s called the Winter Solstice.

Seasonal Climate

The climate of our planet is the result of three main factors: solar energy, the greenhouse effect, and atmospheric and oceanic circulation. In addition, the geographic and seasonal variations in solar energy are determined by the curvature of the Earth, the inclination of its axis and its orbit around the Sun. These factors produce different climatic zones, which in turn affect the distribution of plant, animal and human populations. (ref link)

Climate-zones

The Sun is the central star of our solar system, which consists of 8 planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.The “surface” of the Sun is very hot, with a temperature of about 6,000 degrees Celsius. Due to its position, neither too near nor too far from the Sun, the Earth is the only planet in the solar system that can host abundant life, in particular because its average surface temperature of 15 degrees Celsius enables the presence of liquid water. Solar energy and the presence of an atmosphere are the two main elements that condition the Earth’s temperature. Like the glass panels of a greenhouse, certain gases that are naturally present in the atmosphere, notably water vapor and carbon dioxide, trap heat from the sun, maintaining this mild average temperature on the planet’s surface. This natural phenomenon is called the greenhouse effect. Without it, the surface temperature of the Earth would be –18 degrees Celsius and life, if any life could be sustained, would be quite different.

Our atmosphere’s natural greenhouse effect is thus a beneficial phenomenon, without which life as we know it would not be possible. The greenhouse effect is often mentioned in the news as a dangerous phenomenon, but what really is dangerous is the intensification of the natural greenhouse effect.

Current conditions. When the Old news become New news. Follow-up from my previous research.

The current situation through Feb/March 2016 in the atmospheric dynamics driving seasonality from Winter to Spring is bringing some interesting points around, and many of them are consistent with the developments expected from the line of research followed in this blog.

The coldest part of a day cycle comes after the higher amount of hours in the dark, just before sunrise. The coldest part of the orbital cycle at the NH should be when we crossed over the winter solstice in Dec, and yet there is not enough differential in thermal contrast from low temp in the Arctic to build up a steady Polar Jet Stream.

Wind strengh 250 hPa Polar Jet Stream 2016-03-01

Wind strength 250 hPa Polar Jet Stream 2016-03-01

T2m anomaly from 2016-03-01

Temperature anomaly 2m from 2016-03-01

One repeated feature in atmospheric dynamics which I have observed since the beginning of my research in 2013 is the frequent intrusion of masses of air trespassing from both sides the barrier which should represent the Polar Jet Stream.

It is becoming a frequent scenario to see the displacement of cold air from the Arctic due to convective forcing from warmer masses of air getting into high latitudes and altitudes. The consequence from such dynamics is the alteration in the form, length and transition between seasons.

There was snow at the Canary Islands meanwhile Sweden had to reduce the stages in the World rally event due to lack of snow. Also, the Iberian Peninsula has suffered snow and strong wind episodes meanwhile UK and Germany were having milder temperatures.

Based on previous assessments since 2013, I believe that the influence of the ENSO during the year 2015 only emphasise already existent patterns being developed in the atmosphere. And these events of cold masses of air crossing latitudes might be prolonged in time through spring.

As I said in a previous publication on the Polar Vortex 2016, if you want to predict winter weather it might become useful to take a lava lamp and use it as a crystal ball to make predictions.

Follow-up from previous research published in this blog

This type of situations brings back some previous discussions addressed in several posts, in which I have point out the relevance of facing changes in the severity for the transition between climatic phases due to atmospheric alterations.

Based on my observations and analyses since 2013, in 2014 I made an assessment over the atmospheric dynamics driving the weather systems across the NH which led me to propose a theoretical approach which could explain new developments in climatic drifts.

In the following paragraphs I share bits of some of the most relevant publications addressing the coherence found between those and the current conditions. The whole work behind this piece of research is built by 120 posts addressing synergistic interactions from a multidisciplinary approach. Altogether they make a Theoretical Framework, a Conceptual Framework and an Assessment Framework on global environmental issues, addressing methodological approaches to fill in or find out gaps of knowledge, the title of this blog.

Therefore you should follow links or explore the blog in order to get deeper insight on any aspect you feel missing (from the influence of solar activity, aerosols, human waste, etc…). Also you will find videos with graphic representation  of my work at youtube.

From: New theory proposal to assess possible changes in Atmospheric Circulation (by Diego Fdez-Sevilla) Posted on

The theory that I propose follows the work published previously by scientists  Judah CohenMasato Mori, Colin Summerhayes, Coumou and Ted Shepherd, whom all together supported the theory of that early snowfall over Asia increases albedo leading to heat retention in the atmosphere provoking Arctic ice to melt. Decreased snow cover decreases albedo and enhance heat absorption. Ultimately, the enhanced capacity of the Arctic to absorb heat would lead to “amplify” atmospheric heat absorption already being fuelled with GHGs. Such increase in atmospheric temperature would reduce the thermal contrast required for a strong jet stream and consequently originating disturbance in atmospheric weather patterns associated.

What I propose with my hypothesis is that Arctic Amplification is a consequence and not the trigger. That it is a symptom and not the causation.

What I am trying to highlight in my theory are the possible mechanisms which would explain: changes in albedo which support Arctic Amplification, early snowfalls in central Asia, Arctic ice cover meltdown and oceanic increases in salinity and ultimately, the origin of atmospheric blocking patterns and the pause in T raise unified in single principle: Increasing conc. of CO2 and water vapour induce a decrease in the differential gradients of energy in atmospheric circulation.

I am looking at the implications of having the Arctic circulation not “Amplifying” but “Absorbing” constant increases in atm CO2 and Water vapour. In my approach, instead of looking at what happens in the Arctic as the origin of a chain reaction, I look at what happens in the Arctic just as a side effect (with its own implications) of a more wide process resultant from a reduction between the differential  gradients of energy driving the atmospheric global circulation, being water vapour the carrier of the energy being dispersed all over the atmosphere.”

Total Water Vapour from 2016-03-01

(The following image is the graphic representation of the current conditions in atmospheric water vapour dynamics over the Arctic 3rd March 2016)

Based on my theory, Greenhouse gases store energy which leads to an increase in  global temperature. This increase in T, altogether with synergistic effects of aerosols, allows more water vapor to be contained in the atmosphere, which consequently adds more energy into the atmosphere in form of latent heat and kinetic energy. Therefore, this increase in atmospheric energy being carried and distributed all over the hemisphere would infuse power into atmospheric patterns at the same time that it would also reduce the differential energetic gradient between cyclonic events and their surroundings in order to dissipate the energy carried within. Consequently, the energy of those cyclonic events (Low and High pressures) would persist for longer throughout time, altitude and location. Such scenario would decrease the strength of barriers build upon steep differential gradients like the Polar Jet Stream. Furthermore, it would increase the frequency in which masses of warm air from low latitudes would get introduced in polar regions as well as masses of polar air would move across the Jet Stream across latitudes moving further South. Following the 2nd Thermodynamics law on entropy, having decreased the differential in gradient of energy between cyclonic events and its surroundings would increase the life span of those events. That would induce an increase in the accumulation of energy in form of latent heat, water vapour and wind strength. Such build-up in power, without dissipating the energy contained within, would give cyclonic events enough strength to interfere with atmospheric barriers like the Polar Jet Stream breaking it, and also, would allow them to adopt locations that originate blocking pattern.”

From: Revisiting the theory of “Facing a decrease in the differential gradients of energy in atmospheric circulation” by Diego Fdez-Sevilla. Posted on February 10, 2015. DOI: 10.13140/RG.2.1.1975.7602

“The weakening of the Jet Stream would allow more frequent intrusions of masses of air from both sides, inducing sudden and extreme changes in weather patterns for Northern and Southern latitudes. Once the barrier weakens, “warm and wet” currents of air would reach further North being dragged by High pressures moving at higher latitudes without the opposition of the Jet Stream.”

From:

“Even considering that such exchange it has been always there throughout past Winters, if my theory is right, this pattern of unsteady Jet Stream and masses of air crossing through would start earlier in Autumn (seasonal transition to Winter) and resume closer to summer (until all warm masses of air cover high latitudes homogeneously).

The transition from Summer to Winter and from Winter to Summer will be a transition between “more frequent exchange of masses of air” to “less frequent”. Instead of having a constant gradual change in atmospheric conditions, we will have pockets of air moving across the Jet stream defining the weather wherever they move.”

From: Drops of Weather. (by Diego Fdez-Sevilla)

“The implications raising from such type of atmospheric behaviour are yet to be fully understood. To begin with, the possibility of having sudden intrusions of masses of air inducing extreme changes in meteorological variables might affect the life cycle of the biota since the most of it, plants and animals, follows changes on Temp and Humidity suffering behavioural, hormonal and physiological alterations. Also it must be considered the rapid respond to those variables from species with a quick metabolism. Many of which, insects and fungi, might suffer blooming rates of growth coinciding with a vulnerable stage in the development of other species like crops and wild plants. This scenario opens questions which I believe are worthy to be included in a debate about “the possibility of its increasing frequency in the near future”, also discussed in previous posts  (UPGRADED 11 March2015) Revisiting the theory of “Facing a decrease in the differential gradients of energy in atmospheric circulation” by Diego Fdez-Sevilla.)

From: Met Office. The Recent Storms and Floods in the UK (Feb 2014) (by Diego Fdez-Sevilla) Posted on

Throughout my career I have studied and discussed the influence of atmospheric water vapour in the aerodynamic behaviour of one particle being part of the aerosol, pollen grains. In my research I already pointed out the need for further research about the implications of the biological atmospheric particle load by being involved in climate events through the microphysics of cloud formation due to the nuclei drop activity of such particles.

Aerodynamics_of_pollen_grains_involved_in_sampling_efficiency. Thesis_by_Diego_Fernandez-Sevilla (2007)

Additionally, I also performed research about the impact that environmental heat increase and retention has in the atmospheric biological load due to the urban heat island effect. The results point out that the biological cycles of the biota are altered increasing the duration of their “pollen release” period (due to prolonged warm climatic conditions). The scenario created by the urban heat island effect has been already applied to extrapolate global climatic alterations in the biota suggesting an increase in plant performance (metabolism) inducing more bioaerosol released into the atmosphere.

Assessment between pollen seasons in areas with different urbanization level related to local vegetation sources and differences in allergen exposure. Aerobiologia, Vol 26-1, 1-14. (2010)

Putting together my own experience in researching bioaerosols, my understanding of environmental processes and the findings by others I find enough dots connected to be very alert about the synergistic effects that the biota play and suffers as part of the whole system. For more about this topic you can check the links below and the posts from the categories at the top of this page (e.g. posts addressing the synergies between atmospheric events and Biological productivity.)

From A Climate “Between Waters” (by Diego Fdez-Sevilla).

I believe that the present weather events, altogether with the tornado seen in Venice on July, represent some of the new “Drops of Weather” coming over to say that the Summer, as we know it, is coming to an end.

The reason behind it seems to be the sporadic and unpredictable behaviour of the Jet stream, which not only is wobbly in latitude, but also in the vertical profile of the atmosphere. Accordingly, we can see that when it comes to lower levels from 300hPa induces alterations in the thermodynamical behaviour of the tropospheric circulation. In turn, when this cold air touches the lower level of our atmosphere, activates the energy accumulated in the Water vapour contained in it as latent heat, delivering new forms of energy; kinetic provoking strong winds, electrostatic generating lightnings and potential carried in the mass of all the water coming from its gaseous state into liquid or solid precipitation.

I have already discussed what is my theory about what it is happening that it is generating such a wobbly jet stream in latitude and altitude. This theory was published in a previous post and it points out the incorporation of masses of water vapour into polar latitudes as consequence of CO2 forcing as the cause wearing out the strength of the Polar Jet Stream.

I also have suggested that such incorporation of masses of water vapour into Polar Latitudes follow channels which are linked with persistent cyclonic events in the Atlantic and the Pacific. The present patterns seen in the circulation over the Pacific and the Atlantic are consistent with those proposed in this theory.

Ultimately, if this theory is right and weather patterns are incorporating water vapour into Polar latitudes, it would affect:

  • The strength of the Polar Jet Stream becoming wobbly from the bottom up, from tropospheric circulation forcing instead of from the stratospheric Polar vortex, (more here)
  • Introduction of water vapour into Arctic Polar latitudes would decrease temperature gradients in the Pole reducing ice and snow cover, (more here)
  • that would induce ice melting which in turn would affect SST and Oceanic circulation in the Atlantic and Pacific. That would explain the cold anomaly in SST in the North Atlantic, thus the AMOC and global thermohialine circulation going around the Antarctic and arriving at the Pacific.(more here)
  • Arctic Polar masses of air getting warmed up would become involved in translatitudinal circulation from the Atlantic and the Pacific through the Arctic, in a breathing like cycle. That would open a new channel for balancing gradients of atmospheric pressure between the atmospheric masses of air above both Oceans. That would explain the synchronicity between Low pressures observed in the North Atlantic and North Pacific, (more here).
  • An interconnection between Atlantic and Pacific atmospheric circulation through the Arctic would affect Equatorial winds. That would have an impact over the distribution of SST being dominated by them, being the most relevant the ENSO.(more here and here)
  • Furthermore,  new channels breaking the restriction of keeping warm masses of air bellow Polar circulation would release the thermodynamical limits for equatorial latitudes to absorb water and heat, therefore, increasing thermal conductivity towards upper latitudes. That would explain heat waves moving upward in latitude.(more here and here)
  • At the same time, incorporating the possibility for subtropical circulation to occupy the volume of space at Polar latitudes would allow the global circulation to absorb more energy without steep increases in temperature thanks to the extra volume added to be occupied.(more here)
  • An homogenization in the amount of energy carried in the atmosphere by water vapour would induce a decrease between gradients of energy. That would allow atmospheric events to persist in location and time due to the reduced capacity of the atmosphere to dissipate its energy.(more here)
  • The amount of energy being accommodated by the atmosphere would behave like electricity, being tamed by the capacity of the surroundings to absorb and conduct it. But, like a short circuit, the energy contained in the atmosphere, could overwhelm the capacity for the surroundings to cope with it in a smoothly manner, triggering abrupt discharges from energy in latent heat form carried by the water vapour, into potential energy carried by the masses of water in form of hail and  rain, and kinetic energy generating strong winds. All those forms of energy capable of decimating crops, houses and even killing animals as we have seen in some videos in this post.(more here)

Most definitely, I believe that the climate in our Earth is what it lies between waters. Between cold waters and warms waters, between waters in the atmosphere or those in the ground inland or at the oceans. Altogether, our climate lies on those processes moving energy between waters in the form of gas, liquid or solid.

From Following the Behaviour of the Jet Stream (by Diego Fdez-Sevilla)

In more recent publications, I have extended my interpretation over the mechanisms involved and the teleconnections implicated. All the data supplied and analyses that I have performed looking at the state of related players seem to support my points of view.

Back in March 7th 2015 I also discussed the behaviour of the Jet Stream and published a video illustrating the wobbly behaviour of the Polar Jet Stream. However, if in the present post we can see its behaviour in the period of transition from Summer to Winter, in the previous article I showed the transition between Winter to Summer:

Drops of weather by Diego Fdez-Sevilla
https://diegofdezsevilla.wordpress.com/2015/03/07/drops-of-weather-by-diego-fdez-sevilla/

The wobbliness of the Jet Stream means unstable interchange of masses of air between both sides. The cold air being pushed down is consequence of warm air moving up. The volume shared by both masses of air, at this level, is finite. So when a volume of air moves Northward, another volume of air has to move Southward. That opens the possibility of seeing warmer temp and colder temp in both sides of the Jet Stream, like those at UK. The question about where can we see patterns of cross latitudinal transport being repeated is what has pointed the attention to blocking patterns. And I propose that those blocking patterns are originated as a consequence of a decrease in the differential gradients of energy in atmospheric circulation.

From Extreme climatic events, implications for projections of species distributions and ecosystem structure (by Diego Fdez-Sevilla). Posted on June 18, 2015.

This post complements others published previously in this blog trying to highlight the increasing relevance of understanding connecting patterns between non-biotic and biotic systems involved in atmospheric developments. The weakening of the Polar Jet Stream (as consequence of seen reduced the thermal contrast between subtropical and polar masses of air) would potentially allow “out of season” exchanges of masses of air between both sides, triggering abrupt changes of temperature wherever they move.

The weakening of the Polar Jet Stream can be linked with the changing chemical composition of the atmosphere due to increasing CO2 concentrations. The level of graduality in the transition between seasons can be affected due to the burst of Atmospheric events. If these are strong enough to alter the stability of biological systems they well might also affect the synergistic feedbacks existent between biological productivity and the thermodynamic atmospheric behaviour.

These synergistic feedbacks seem to not be of much part of the research available in the literature. Most studies are addressing the survival of species and mechanisms of adaptation against changes in climate or atmospheric behaviour. And yet, I believe that the stability of an ecosystem, biotic and nonbiotic parts altogether, has to be considered as the result of receiving and absorbing perturbations by all sides, atmosphere, biotope and ecotope. When a region losses the capacity to absorb perturbations and regenerate itself to its previous state, the whole balance between land cover and atmospheric behaviour above it will change. And thus, the climatic parameters defining the region. Only by changing the species of vegetation covering land surfaces the albedo will change, inducing changes in convective circulation as well as the chemistry of the soil and its structure.

Data available supporting previous assessments

An international team of university and NASA scientists examined the relationship between changes in surface temperature and vegetation growth from 45 degrees north latitude to the Arctic Ocean. Results show temperature and vegetation growth at northern latitudes now resemble those found 4 degrees to 6 degrees of latitude farther south as recently as 1982.

“Higher northern latitudes are getting warmer, Arctic sea ice and the duration of snow cover are diminishing, the growing season is getting longer and plants are growing more,” said Ranga Myneni of Boston University’s Department of Earth and Environment. “In the north’s Arctic and boreal areas, the characteristics of the seasons are changing, leading to great disruptions for plants and related ecosystems.”

The study was published March 10, 2013 in the journal Nature Climate Change.

Of the 10 million square miles (26 million square kilometers) of northern vegetated lands, 34 to 41 percent showed increases in plant growth (green and blue), 3 to 5 percent showed decreases in plant growth (orange and red), and 51 to 62 percent showed no changes (yellow) over the past 30 years. Satellite data in this visualization are from the AVHRR and MODIS instruments, which contribute to a vegetation index that allows researchers to track changes in plant growth over large areas. Credit: NASA’s Goddard Space Flight Center Scientific Visualization Studio

The missing links

The transition from facing changes at a regional scale into changes at global scale only takes to have enough regional changes to coalescence. And that applies to all parts of the ecosystem, changes in the liquid phase (Oceans), the solid or terrestrial and the gaseous/the atmosphere.

What we see is a pattern in thermodynamic circulation and biotic reaction.

Plant cover over the Arctic will increase the potential for the atmosphere to retain water vapour through evapotranspiration so it becomes a positive feedback reaction towards extending the influence of the warmer masses of air transported from mid latitudes into polar circulation.

That will increase the amount of energy that the atmosphere can hold and spread over the whole Hemisphere and beyond Equatorial limits extending to the South Hemisphere. There, water vapour will face the contrast from the non-existence of continentality so ice would increase like frost over the Antarctica. However, the Ocean circulation will be affected interacting with such transport creating a new scenario full of contrasts.

But that is just an opinion, my opinion.

About “applying Stefan Boltzmann calculations to explain that the whole radiative forcing greenhouse conjecture fails to explain reality”. I have to say the following:

“Thermal energy is being transferred by diffusion”. Heat is thermal energy. It can be transferred from one place to another by conduction, convection and radiation. Conduction and convection involve particles, radiation involves electromagnetic waves. Heat can only be transferred between “existent” molecules. Without them, like in out-space, there is not temperature or heat transference. Our atmosphere contains heat because it contains molecular compounds absorbing and transferring heat. The case of GHGs is that they are among the most thermal conductive molecular compounds found in the atmosphere. It is like cooking dry food. You need a substance to transfer the heat to cook aliments. Oil is good but water gets the heat inside the food cause its heat properties. There is no diffusion of heat in a vacuum of thermal flask. Thus it is important to identify the type and concentration of atmospheric gases.

“May be” the Stefan Boltzmann calculations can not be applied to explain the mean surface temperature of a body which is not homogeneous in composition in any of its parts, solid-liquid and gaseous, none-uniform on its surface albedo, thermodynamically active on its core and atmosphere, irregularly shaped, not flat neither a perfect sphere, in constant motion and with 50% of its surface solar radiated meanwhile the other 50% is not. All those contrasts in the horizontal and the vertical assessments are relevant. Maybe the stratification of heat could be explain by S-B for a uniform body like the Sun, and yet At 20,000-25,000 km away from the solar surface the corona has an average temperature of 1,000,000 to 2,000,000 million degrees Celsius. But the density is very low, about 1 billion times less dense than water.

When it is applied on this matter the idea of that “The surface is cooled by GHG’s in the atmosphere. It is the atmosphere itself that is warmed as infrared light, reflected from earths surface, travels back toward space. This reflected light is absorbed by GHG’s and the air is warmed. This is the heat trapping property of GHG’s”

I would say that such point is similar to what happens by role played by sweat in cooling the body by allowing water to evaporate off the skin. The problem from GHGs is that their presence above the earth’s surface reduce the difference in temperature between them and the surface. In that way the reduction in the difference reduces the capacity of the atmosphere to diffuse the heat received at the surface. That creates positive feedback loop which moves towards increasing the amount of heat being contained in both parts of the column.

—xxx—

PerspectiveSince October 2013 I have been studying the behaviour of the Polar Jet Stream and the weather events associated as well as the implications derived into atmospheric dynamics and environmental synergies.

Many of the atmospheric configurations and weather and climate events we see these days are very similar with the progression followed since 2013. Please take a look at posts addressing those events from previous publications in this blog or look at the categories in the top menu. Also at research-gate. Feedback is always welcomed either in this blog or at my email (d.fdezsevilla(at)gmail.com). All my work is part of my Intellectual Portfolio, registered under Creative Commons Attribution-NonCommercial 4.0 International License,  WordPress.com license and it is being implemented at my profile in researchgate. I will fight for its recognition in case of misuse.

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About Diego Fdez-Sevilla, PhD.

Citing This Site "Title", published online "Month"+"Year", retrieved on "Month""Day", "Year" from http://www.diegofdezsevilla.wordpress.com. By Diego Fdez-Sevilla, PhD. More guidance on citing this web as a source can be found at NASA webpage: http://solarsystem.nasa.gov/bibliography/citations#! Bachelor in General Biology, Masters degree "Licenciado" in Environmental Sciences (2001, Spain). PhD in Aerobiology (2007, UK). Lived, acquired training and worked in Spain, UK, Germany and Poland. I have shared the outcome from my previous work as scientific speaker in events held in those countries as well as in Switzerland and Finland. After couple of years performing research and working in institutions linked with environmental research and management, I find myself in a period of transition searching for a new position or funding to support my research. In the present competitive scenario, instead of just moving my cv and wait for my next opportunity to arrive, I have decided to invest also my energy and time in opening my own line of research showing what I am capable of. The value of the data and the original nature of the research presented in this blog has proved to be worthy of consideration by the scientific community as well as for publication in scientific journals. However, without a position as member of an institution, it becomes very challenging to be published. I hope that this handicap do not overshadow the value of my work and the intellectual rights represented by the license of attribution attached are respected and considered by the scientist involved in this line of research. Any comment and feedback aimed to be constructive is welcome. In this blog I publish pieces of research focused on addressing relevant environmental questions. Furthermore, I try to break the barrier that academic publications very often offer isolating scientific findings from the general public. In that way I address those topics which I am familiar with, thanks to my training in environmental research, making them available throughout my posts. (see "Framework and Timeline" for a complete index). At this moment, 2017, I am living in Spain with no affiliation attachments. Free to relocate geographically worldwide. If you feel that I could be a contribution to your institution, team and projects don´t hesitate in contact me at d.fdezsevilla (at) gmail.com or consult my profile at LinkedIn, ResearchGate and Academia.edu. Also, I'd appreciate information about any opportunity that you might know and believe it could match with my aptitudes. The conclusions and ideas expressed in each post as part of my own creativity are part of my Intellectual Portfolio and are protected by Intellectual Property Laws. Licensed under Creative Commons Attribution-NonCommercial conditions. In citing my work from this website, be sure to include the date of access. (c)Diego Fdez-Sevilla, PhD, 2016. Filling in or Finding Out the gaps around. Publication accessed 20YY-MM-DD at http://www.diegofdezsevilla.wordpress.com/
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57 Responses to Seasonality Spring 2016. Continuous follow-up on my previous research assessing atmospheric dynamics. (by Diego Fdez-Sevilla, PhD.)

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