Allgeyer et al. (2013) used a series of nested finite-difference grids

to examine the effect of the Lisbon 1755 tsunami on tidal gauges in La Rochelle, France. Grids were nested from 1′ (approx. 2 km) to 0.3″ (9 m), www.selleckchem.com/products/SP600125.html zooming in on the target region. No sensitivity to mesh resolution was carried out, however. In addition, Roger et al. (2010) used the same method to study the effect of the Lisbon 1755 tsunami on Caribbean Guadeloupe Archipelago, with similar resolutions to Allgeyer et al. (2013). These two studies nested the same computational model; however, it is also possible to nest different models to carry out large-scale simulations. Kirby et al. (2013) used the non-hydrostatic model of Ma et al. (2012) in the near-field source domain, before linking this to the larger-scale model described in Kirby et al. (2013) to investigate the 2011 Japanese tsunami. Resolution varied from 1 km to 2′ (approximately 4 km). Horsburgh et al. (2008) followed a similar methodology http://www.selleckchem.com/products/ch5424802.html to study the effect of the Lisbon 1755 tsunami on the UK coast, using a finite-difference model with approximately 3.5 km resolution in the larger domain and a finite-element model around the UK coast with resolution varying from 10 down to 1 km. It is clear with all of these studies that resolution around areas of interest is important, but all must limit their regions of interest.

The multiscale modelling technology shown here can allow multiple areas of interest within the same simulation, whilst capturing changes in bathymetry

and coastline in the mesh. It is also worth noting the lack of studies detailing the effect of resolution for tsunami simulations. Bondevik et al. (2005) did show a clear convergence of results using a smaller region simulation Inositol monophosphatase 1 at both 250 and 500 m resolution. The technology presented here could be further improved by increasing resolution even further to that used by other studies above, for example 10 m, around a particular small region of interest. As part of this work we investigated the effect of a number of factors on the estimated run-up heights of the tsunami. These were: bathymetric data source (GEBCO or ETOPO (Amante and Eakins, 2009)), the resolution used to generate the coastlines and the bathymetric resolution. From these experiments only coastline resolution made a substantial difference. Virtual wave gauge 24 (Fig. 9) shows an example where the effect of coastline resolution makes a substantial difference to the estimate run-up height as the high resolution fixed mesh case (using the coarse resolution GSHHS data) produces a much large wave height than the multiscale mesh where the high resolution GSHHS data were used. There are also virtual wave gauges (not shown) that show an increase in wave height with increasing coastal resolution.

Neves is grateful to the Program to Disseminate Tenure Track System, University of Tsukuba, Japan, for the financial support. The author C. Prentice acknowledges for the financial support by the National Council for Scientific and Technological Development (CNPq) and the grants provided by the Coordination for the Improvement of Higher Education Personnel (CAPES) of Brazil. “
“Current Opinion in Food Science 2015, 1:13–20 This

review comes from a themed issue on Food chemistry and biochemistry Edited by Delia Rodriguez Amaya http://dx.doi.org/10.1016/j.cofs.2014.08.001 2214-7993/© 2014 Published by Elsevier Ltd. Although it is not possible to precisely determine the exact period when men mastered the use of fire, which might have happened in the Middle Paleolithic (400 000–200 000 years ago), it is unequivocal that its use for cooking was a major turning point in human evolution. Cooking HTS assay roots and grains NVP-BKM120 allowed humans to retrieve more energy from available vegetable food and as a consequence, sufficient energy for hunting, which provided food with higher caloric density. This pattern of feeding was critical for the evolution of the species, once the development of a bigger brain required more available energy. Further, the use of heat allowed the development of food preservation technologies which substantially contributed to the decrease in food-borne

diseases, to the decrease of under-nutrition,

by making food available which, in turn, contributed to the drastic changes in life style and population distribution (rural and urban areas) all around the world in the last century. Different reactions take place during thermal processing of foods, some of them are desirable and relate to the sensory properties that increase their acceptance, while some of them must be avoided as they generate harmful substances to human health, such as acrylamide and nitrosamines. Lipid oxidation, sugar caramelization, enzyme inactivation, protein denaturation are some examples of modifications that heat can provoke in foods. Food reactions that initiate with the condensation of a carbonyl group and an amine group, producing, at the final stage, brown pigments, were first studied and described by the French biochemist Louis-Camille Maillard from 1912 to 1917 and, heptaminol therefore, are known as Maillard reaction. Maillard was able to predict, working on peptide synthesis by heating free amino acids in glycerol, that the amine-carbonyl compounds reactions could lead to nutrients loss during heat processing, to the abiotic generation of humic substances in soil and to protein modification in vivo and, yet, his work was put aside for almost 35 years. Robert et al. [1] provide an interesting analysis of the scientific scenario at the time of Maillard’s discoveries and why his work was overlooked for so long.

In the series of Yamatogi and Ohtahara, 75% of patients developed

West syndrome between 2 and 6 months of age, and 12% subsequently developed Lennox-Gastaut syndrome [10]. The transition is accompanied by changes in electroencephalographic pattern. The evolution to West syndrome is marked by a transition from suppression burst to hypsarhythmia, and further progression to Lennox-Gastaut syndrome is accompanied by the development of a generalized, slow spike-wave pattern. The close relationship among these three syndromes has led to the theory that they represent age-specific reactions in the brain to similar exogenous influences, and to the proposal that they be classified together as the age-dependent epileptic encephalopathies [2] and [8]. Considerable similarities characterize the clinical presentations of Ohtahara syndrome and early myoclonic encephalopathy. Like Ohtahara buy Ion Channel Ligand Library Bortezomib solubility dmso syndrome, early

myoclonic encephalopathy presents during the neonatal period, usually within the first 3 months of age, and sometimes as early as a few hours after birth. The initial presentation typically involves the onset of focal myoclonus, usually of the face or extremities and or of only a small area, such as a finger or eyelid. The jerks are often described as erratic or fragmentary because they can shift from one area of the body to another in an asynchronous, seemingly random pattern. Focal seizures are also very common, and occur in more than 80% of cases [12]. These seizures may be overt, involving deviation of an eye

or tonic posturing, or they may be subtle, sometimes involving only autonomic signs such as facial flushing triclocarban or apnea. Tonic spasms are also frequent, occurring both singly and in clusters. The key electroencephalographic feature in early myoclonic encephalopathy comprises a suppression burst pattern, much like that in Ohtahara syndrome (Fig 1). In the case of early myoclonic encephalopathy, however, this pattern is not continuous, and is often more distinct during sleep. It was reported exclusively during sleep in 33% of cases in one study [12]. The suppression burst pattern in early myoclonic encephalopathy may not be appreciated at disease onset, and follow-up electroencephalograms may be necessary to arrive at the diagnosis [13]. The myoclonic movements themselves are not associated with electrographic changes. The suppression burst pattern can evolve into an atypical pattern of hypsarrhythmia in up to 50% of patients, typically occurring at 3-5 months of age [12]. This change is generally transient, lasting months, with a subsequent return to burst suppression, which can last throughout childhood [14]. The prognosis is generally very poor. Up to half of patients die by 2 years of age [5]. The remainder manifest severe psychomotor impairments, including some patients who remain in a persistent vegetative state [15].

, 2013). The ground area of the box was divided into a 36 × 36 cm central area and the surrounding border zone. Mice were individually placed in the center of the OF, and their behavior during

a 5 min test period was tracked by a video camera positioned above the center of the OF and recorded with the software VideoMot2 (TSE Systems). Mice were individually placed in glass beakers (inner diameter 18 cm, height 27 cm, capacity 5 l) containing tap water at 25 °C (Painsipp et al., 2011). The water depth was 20 cm, which prevented the mice from touching the bottom of the beaker with their paws or the tail. Mice were tested for 6 min and the time of immobility, swimming and climbing was scored by a trained observer blind to the treatment. Mice were considered immobile when floating passively in the water,

performing only those movements required to keep their heads above the water level (Cryan et al., 2002). Mice were C646 supplier suspended by their tail with a 1.9 cm wide strapping Selleck R428 tape (Leukotape classic; BSN Medical S.A.S., Le Mans, France) to a lever for 6 min, and their behavior was recorded by a video camera. A trained blinded observer analyzed the video recordings with the VideoMot2 software (TSE Systems) event monitoring module for 3 types of behavior: swinging, curling and immobility. The mouse was considered swinging when it continuously moved its paws while keeping the body straight and/or moving the body from side to side. The mouse was considered curling when the mouse twisted its trunk (Berrocoso et al., 2013). The time spent swinging, curling and being immobile was calculated. Mice which climbed over their tails were excluded as they had learnt that escape is possible (Cryan et al., 2005). The temperature of the mice was measured with a digital thermometer (BAT-12, Physitemp

Instruments, Clifton, New Jersey, USA) equipped with a rectal probe for mice. The temperature recordings were taken between 16:00 and 17:00 h. Three different protocols were used (Fig. 1). For details on the choice of dosing and timing of injections see Sections 2.7 “Dosing” and 2.8 “Timing of injections”. In protocol 1 (experiment 1.1), the LabMaster system (TSE Systems) was employed to analyze the effects of MDP (1 mg/kg), FK565 Loperamide (0.001 mg/kg), LPS (0.1 mg/kg), MDP + LPS and FK565 + LPS on the daily pattern of locomotion, exploration, feeding and SP in singly housed mice (Painsipp et al., 2013). The animals were habituated to the drinking bottles used in the LabMaster system and to single housing for 7 days before placing them in the cages of the LabMaster system (Fig. 1). Another 3 days of habituation were warranted in the test cages of the LabMaster system before injection of PRR agonists (n = 8). Protocol 2 was used to carry out 2 separate experiments (Fig. 1). Experiment 1 of protocol 2 (experiment 2.1) was designed to investigate the effects of MDP (3 mg/kg), FK565 (0.003 mg/kg), and the frequently used dose of LPS (0.

Only adult male specimens were used in this study due to their availability in field at the time. The spiders were identified by Dr Paulo César Motta from the Laboratory of Arachnids (University of Brasília, Brasília, DF, Brazil) based on morphological characteristics. The venom of eight adult male specimens of A. paulensis spiders was monthly obtained by electrical stimulation, solubilized in deionized water containing 0.12% trifluoroacetic acid (TFA) and centrifuged at 10,000 × g for 10 min. The soluble supernatant was immediately

frozen, lyophilized and stored at −20 °C. The venom dry weight was determined in a high precision analytic balance. Aliquots of 5 mg of dried venom were solubilized in deionized water, centrifuged at 10,000 × g for 10 min and the supernatant was submitted to high Autophagy inhibitors high throughput screening performance liquid AZD6738 chemical structure chromatography (HPLC), using a C18 reversed-phase semipreparative column (Jupiter 5 μm, 300 Å, 250 × 10 mm, Phenomenex) using a linear gradient from solution A (0.12% TFA) to 60% solution B (0.10% TFA in acetonitrile – ACN) run for 60 min after 10 initial minutes at 0% solution B with detection at 216 and 230 nm. The fractions eluted at a flow rate of 1.5 mL/min were individually and

manually collected, vacuum dried and stored at −20 °C until use. In order to obtain the low molecular mass fraction (LMMF) and protein fraction (PF) for the evaluation of cardiotoxic activity, the fractions eluting from 0 to 35% solution B and from 35 to 74% solution B were separately collected. After removal of solvent, LMMF and PF were quantified by dry weight in a high precision analytic balance and stored at −20 °C until use. The molecular masses of the chromatographic

fractions of A. paulensis venom were performed on an UltraFlexIII MALDI-TOF/TOF mass spectrometer (Bruker Daltonics, Germany). The samples were reconstituted in deionized water at variable concentrations and dissolved (1:3, v:v) in an α-cyano-4-hydroxycinnamic acid matrix solution (α-cyano-4-hydroxycinnamic acid at 5 mg/mL dissolved on acetonitrile, water, trifluoroacetic acid, 5:4:1, v:v:v) spotted in triplicate onto a sample plate and allowed to dry at room temperature. The MS spectra were acquired in both reflected and linear positive modes. Calibration of the those system was performed using a mixture of the Peptide Calibration Standard and Protein Calibration Standard I for mass spectrometry (Bruker Daltonics, Germany). Spectra were processed with MassLynx™ 3.5 (Manchester, UK) and FlexAnalysis 3.3 (Bruker Daltonics, Germany). Animals were contained in accordance with the ethical guidelines of the Brazilian Society for Neuroscience and Behavior, which follows the guidelines for animal care prepared by the Committee on Care and Use of Laboratory Animal Resources, National Research Council, U.S.A.

Tym samym niania, ze względu na charakter sprawowanej opieki, czyli brak jej stałości, nie będzie opiekunem faktycznym. Przy czym zaznaczenia wymaga, że babcia czy niania, mimo że nie są opiekunami

faktycznymi, mogą zgłosić się np. z chorym dzieckiem do lekarza z pisemną zgodą rodziców na ich obecność przy wizycie. W praktyce powstaje dalsze pytanie, jak ma być realizowany obowiązek informowania np. rodziców o szczepieniach ochronnych? Lekarz może udzielić informacji podczas wizyty w razie choroby dziecka, a także wizyty kontrolnej. Lekarz może również powiadomić rodziców podczas wizyty kwalifikującej do danego szczepienia ochronnego o kolejnych szczepieniach ochronnych Akt inhibitor obowiązkowych i zalecanych. Możliwe jest powiadomienie o szczepieniach oraz wręczenie rodzicom przygotowanej pisemnej informacji na ten temat i, jak była mowa wyżej, lekarz odnotowuje fakt poinformowania rodziców w dokumentacji medycznej. Problem powstaje wówczas, gdy w dokumentacji medycznej brak informacji o powiadomieniu rodziców, w tym wypadku o obowiązkowych szczepieniach ochronnych, a rodzice w odpowiednim

terminie nie zgłosili się z małoletnim na szczepienie. Czy wówczas mogą ponosić negatywne konsekwencji związane z niezrealizowaniem ustawowo nałożonego selleck chemical obowiązku? Ponadto, czy lekarz pomimo tego, że nie poinformował rodziców, może zawiadomić właściwego inspektora sanitarnego o niezrealizowaniu obowiązku ustawowego? W naszej opinii,

lekarz, zanim powiadomi właściwego inspektora sanitarnego, powinien skierować do osoby, która sprawuje prawną pieczę nad małoletnim, albo opiekuna faktycznego (np. rodzice przebywają zagranicą, a opiekę nad dzieckiem sprawuje babcia) pismo powiadamiające o obowiązku poddania małoletniego szczepieniom ochronnym. Pamiętać bowiem należy, że sprawujący prawną pieczę nad małoletnim HSP90 nie muszą znać kalendarza szczepień ochronnych, a niepowiadomieni mogą nie mieć świadomości o konieczności poddania się szczepieniom. Skoro Ustawa nakłada obowiązek poddania się określonym szczepieniom ochronnym, dyskusyjna pozostaje kwestia ewentualnego odebrania zgody na ich wykonanie. Ustawa o prawach pacjenta i Rzeczniku Praw Pacjenta w art. 15 stanowi, że wymagana jest zgoda pacjenta lub innego uprawnionego podmiotu na udzielenie świadczeń zdrowotnych, jeżeli przepisy innych ustaw nie stanowią inaczej. Ustawa o zapobieganiu oraz zwalczaniu zakażeń i chorób zakaźnych u ludzi milczy na temat uzyskiwania zgody w przypadku obowiązkowych szczepień ochronnych. Co do zalecanych szczepień ochronnych nie ma żadnych wątpliwości o konieczności uzyskania zgody na ich wykonanie. W tym miejscu zaznaczyć należy, że wykonanie szczepienia ochronnego jest świadczeniem zdrowotnym w rozumieniu art. 5 pkt 40 Ustawy o świadczeniach opieki zdrowotnej finansowanych ze środków publicznych [11].

, 2003). The i.p. route was used given the difficulty for injecting the venom through the small-sized tail vein of the 14 days old neonate rats. Animals of both ages (P14 and 8–10 wks old received a single i.p. injection of PNV (1.7 mg/kg in 0.5 ml saline solution (vehicle) or 0.5 ml of 0.9% sterile saline (sham group); one, two, five and 24 h after injection (n = 5 per time/treatment), the Metformin datasheet animals were anesthetized with i.p. injection (2 μg/mg

body weight) of a 3:1 mixture of ketamine (Dopalen, 100 mg kg−1 body weight) and xylazine hydrochloride (Anasedan, 10 mg kg−1 body weight) (Fortvale, Valinhos, SP, Brazil). This study was approved by the institution’s Committee for Ethics in Animal Use (CEUA/Unicamp, protocol no. 2403-1) and the experiments were done according to the Brazilian Society for Laboratory Animal Science guidelines (SBCAL; formerly Brazilian College for Animal Experimentation – COBEA). The envenoming signs presented by each animal were independently monitored by three observers (M.C.P.M., E.S.S., L.M.S.) and a consensual final register was emitted. Anesthetized animals were transcardially perfused with physiological saline followed by 4% paraformaldehyde

in 0.1 M phosphate-buffered saline (PBS), pH 7.4. Then, the brains were immediately removed and post-fixed in the same fixative overnight at 4 °C. After, they were washed, dehydrated in a graded ethanol series, cleared in xylene, and embedded in paraffin (Paraplast®, Sigma Aldrich, St. Louis, MO, USA). Selected coronal sections (5 μm) from hippocampus containing the regions (CA1, RAD001 solubility dmso CA2, CA3 and dentate gyrus (DG)) were obtained with the help of a stereotaxic atlas of Amisulpride rat brain anatomy (Paxinos and Watson, 1998). Coronal sections of the hippocampus from all groups mounted onto subbed glass slides were dewaxed with xylene and rehydrated in descendent ethanol series until distilled water. One section from each sectioning plane per animal was stained by hematoxylin and eosin (H&E) for histological analysis. For immunohistochemistry, the endogenous peroxidase was blocked with 3% hydrogen peroxide, (two cycles of

10 min) and epitope retrieval was accomplished with 10 mM sodium citrate buffer, pH 6.0, in a steamer (95–99 °C) for 30 min. Non-specific antigen binding was blocked with 5% reconstituted milk powder for 1 h. Slides were incubated with the Flt-1 primary antibody (1:500, Santa Cruz Biotechnology, Santa Cruz, CA, USA) for 16–18 h in a humidified chamber at 4 °C. After returning to room temperature (RT), slides were washed before being incubated with biotinylated anti-rabbit secondary antibody (EnVision™ HRP link, Dako Cytomation, CA, USA) for 30 min at RT. Color was developed with a diaminobenzidine chromogenic solution (DAB+, Dako Cytomation, CA, USA) and nuclei were counterstained with Harry’s hematoxylin; after ethanol dehydration slides were mounted in Canada balsam.

Thus, the data of Carls et al., 1997 and Carls et al., 1999 do not support the conclusion that the greater selleck products lethal and sublethal effects of the MWO effluents than the LWO effluents were caused by higher relative aqueous concentrations of HMW parent and alkylated PAH, because the measured concentrations of TPAH and different alkyl PAH congener groups in the toxic MWO doses were actually lower than in LWO doses that were not lethal and produced few sublethal effects. Because the oiled gravel columns were irrigated with unsterilized natural seawater and water flow was stopped for 13 days between the LWO and MWO studies, there was a strong potential for growth of hydrocarbon degrading microbes, resulting

in biodegradation of petroleum hydrocarbon residues on the gravel (Wang et al., 1998) and microbial fouling of the eggs with production of microbial toxins as described by Grothe and Johnson (1996) and Hansen

and Olafsen (1999). The ∼35% decrease (from 21.4 to 7.6 μg/L) in the TPAH concentration in the column effluents between the day 16 LWO-high dose and the day 0 MWO-high dose (Carls et al., 1999), shown in Fig. 1, reflects a substantial loss of hydrocarbons during the 13 days between experiments when the water flow to the columns was stopped. The relative rates of depletion of readily biodegraded n-alkanes and of the less biodegradable branched alkanes, pristane Farnesyltransferase and phytane, expressed PD0332991 as the n-C17/pristane or n-C18/phytane ratio, in the effluent from the oiled gravels are good indicators of microbial degradation of hydrocarbons ( NRC, 1985 and Kennicutt, 1988). These alkanes have extremely low aqueous solubilities, precluding depletion by dissolution from the oiled gravel columns. The n-octadecane (C18)/phytane ratio is the more

reliable indicator of oil biodegradation in marine environments because pristane is synthesized by some marine crustaceans and often is abundant in Arctic and sub-Arctic marine environments ( Blumer et al., 1964). Pritchard et al. (1992) showed that the n-C18/phytane ratio declined rapidly in weathered Exxon Valdez oil in the field in boulder/cobble sediments, even in the absence of added bioremediation fertilizer. The n-C18/phytane ratio in the LWO-high and MWO-high effluents declined rapidly during the respective experiments ( Fig. 2) ( EVOSTC, 2009; Supplementary data), indicating biodegradation of the more easily biodegraded n-C18 ( Wang et al., 1998). An oil-degrading microbial community apparently was established during the first 8 days of the LWO experiment, followed by extensive microbial degradation of oil on the columns during the remainder of the experiment ( Fig. 2), as indicated by the rapid loss of n-C18 between days 8 and 16. The ratio of n-C18/phytane in the high dose LWO and MWO effluents decreased from 0.95 at day 0 to 0.

Behavioral experiments were conducted in a sound-attenuated and air-regulated room, where the animals were habituated 1 h prior to experiments. All animal experimentation reported in this study was performed under established standards of the Brazilian law No. 11.794/2008 in accordance with the Policies on the Use

of Animals and Humans in Neuroscience Research, revised and approved by the Society for Neuroscience Research. Purification of Tx3-1 from the venom of the spider Phoneutria nigriventer was performed following the method of Cordeiro and coworkers (1993). Aβ25-35, selleck kinase inhibitor Aβ35-25 and 4-aminopyridine (4-AP), were purchased from Sigma (St. Louis, MO, USA). The Tx3-1 and 4-AP dose were based on electrophysiological experiments that evaluated the effect of both compounds on IA currents ( Kushmerick et al., 1999). Aβ aggregation was performed according to Maurice et al. (1996), wherein Selleck Alectinib 3 mM of either 25-35 or 35-25 (used as control) sequence peptide were incubated at 37 °C for 4 days, stored at −20 °C and freshly diluted to the final dose (3 nmol/site; 1 mM) when used. In all behavioral experiments, Aβ25-35, Aβ35-25, Tx3-1, 4-AP or vehicle, were administered by intracerebroventricular

(i.c.v.) route, according to Laursen and Belknap (1986). Briefly, mice were anesthetized with isofluorane until full anesthesia was achieved. The microinjections were performed using a Hamilton 10 μl syringe connected to a specially made 28-gauge stainless steel needle with 3 mm in length. The needle was inserted directly through the skin and skull into the lateral

ventricle, targeted by visualizing an equilateral triangle between the eyes and center of skull to locate bregma, then inserting the needle 1 mm laterally to this point. This avoids the use of unnecessary force since the needle penetrates at the suture line of the skull plates. Compounds were injected in a volume of 5 μl over a 5 s period, followed by a 10 s delay to allow diffusion and prevent backflow. All injections were performed by an experimenter well trained in this technique. Novel object recognition task Adenosine triphosphate was performed in wooden chamber (30 × 30 × 30 cm) with black side and rear walls, front wall made of transparent acrylic and the floor covered with an ethyl vinyl acetate sheet. A light bulb, hanging 60 cm above the behavioral apparatus, provided constant illumination of about 40 lux, and an air-conditioner provided constant background sound isolation. The objects used were plastic mounting bricks, each of them with different shapes and colors, but same size. Throughout the experiments objects were used in a counterbalanced manner and animals did not previously display preference for any of the objects. Chambers and objects were thoroughly cleaned with 30% ethanol before each experiment. Six days after Aβ injection, novel object recognition task was performed according to Wang and coworkers (Wang et al.

In principle, MERIS operates in a range enabling the detection of pigments like phycocyanin (cyanobacteria), which have specific absorption minima near wavelength 630 nm and local maxima

at wavelength 650 nm ( Kutser et al. 2006). A series of upwelling events along the northern and southern coasts of the Gulf of Finland occurred in July–August 2006. Westerly winds were dominant in July, generating moderate upwelling along the northern coast of the Gulf. Easterly winds then prevailed during the whole of August, and as a result, very intense upwelling was observed along the southern coast. The upwelling events were well documented by several studies based on in situ measurements of physical, biological and chemical parameters (Suursaar and Aps, 2007, Lips et al., 2009 and Lips and Lips, 2010). In

addition, GSK3235025 research buy remote sensing data (MERIS and MODIS) are available from that period to monitor the variability of SST and phytoplankton chlorophyll a fields. The objectives of this study were: (1) to validate the MERIS chlorophyll product retrieved with the Ku-0059436 order Free University of Berlin (FUB) case 2 waters processor using in situ measurements of Chl a, and (2) to assess the spatial and temporal variability of the Chl a field caused by consecutive upwelling events using MERIS data. This paper is structured as follows: section 2 describes the in situ, remote sensing and wind data, as well as the methodology; in section 3, the comparability of in situ and satellite chlorophyl a data is evaluated, the sequence of upwelling events is described on the basis of MODIS SST, MERIS chlorophyll is compared with in situ chlorophyl a, and the upwelling-related variability Resveratrol of the chlorophyl a field from MERIS data is described; section 4 discusses the results of the SST and chlorophyl

a surface distributions; the final conclusions are drawn in section 5. The in situ data were obtained during five surveys (Table 1) conducted along the same transect between Tallinn and Helsinki (Kuvaldina et al. 2010). Water samples for phytoplankton and Chl a analysis were collected from 14 stations, each about 5.2 km apart ( Figure 1). Three (but two in the case of the shallow upper mixed layer) water samples were taken from the upper mixed layer (UML, from a depth of 1 m down to the seasonal thermocline) to form a pooled sample for each station. The depth of the UML was determined from the CTD profile, which preceded water sampling. Chl a content was measured spectrophotometrically (Thermo Helios γ; photometric accuracy: ± 0.005 A at 1 A) from the pooled samples in the laboratory ( HELCOM 1988). On 19–20 July, two (TH19, TH21) out of five pooled samples were cloud-free on the satellite imagery. Because of inclement weather conditions, only surface samples (n = 8) were collected at stations TH1–TH15. Phytoplankton species composition and biomass were analysed for each survey from pooled samples (Lips & Lips 2010).