• TERN Data Discovery Portal

    2019-6-4 · This terrestrial carbon sink might become saturated in a future climate regime. To explore the issues associated with this topic, an accurate estimate of gross primary production (GPP) of global terrestrial ecosystems is needed. A major uncertainty in modeling global terrestrial GPP is the parameter of light use efficiency (LUE).Recent articles about gr-qc and hep-th - Wall2019-9-2 · X-ray reflection spectroscopy is a promising technique for testing general relativity in the strong field regime, as it can be used to test the Kerr black hole hypothesis. In this context, the parametrically deformed black hole metrics proposed by Konoplya, Rezzolla & Zhidenko (Phys. Rev. D93, 064015, 2016) form an important class of non-Kerr ...

  • Emerging Nano-Carrier Strategies for Brain Tumor Drug ...

    2021-8-3 · 1.2. The BBB as an Obstacle for Brain Tumor Drug Delivery. In terms of molecule permeability, some general rules for blood-to-brain drug transport have been established, although they are not without exceptions [].Molecules larger than 400 Da are very unlikely to cross the BBB, especially if highly water soluble, unless a suitable specific transporter is present.Photosynthesis from the Protein''s Perspective2007-5-4 · Wang et al. use the absorption spectra of the protein''s 39 tryptophan residues to track the medium''s response to photoexcitation and initial photosynthetic electron transfer. The spectra are essentially identical in the wild type and in the 14 mutants, with electron-transfer times varying from 2 to tens of ps. Therefore, the protein motion that is tracked by the spectra is not affected …

  • 32nd Conf. on Agricultural and Forest Meteorology/22nd ...

    2018-1-23 · Matthias Lindauer, Karlsruhe Institute of Technology, Garmisch-Partenkirchen, Germany; and H. P. Schmid, R. Grote, R. Steinbrecher, M. Mauder, and B. Wolpert 70 In-situ Measurements of Isotope Exchange using Tunable Diode Laser Spectroscopy in a Tall-Grass Prairie EcosystemNews - Page 15 of 32 - The Water DeskThe group is led by Kevin Rein, state engineer, as well as Scott Steinbrecher, a Colorado assistant deputy attorney general. Other members include water engineers, members of the Colorado Water Conservation Board, a retired Colorado supreme court justice, farmers and ranchers, local and regional water managers, and several attorneys.

  • REGIONAL PHOTOCHEMICAL AIR QUALITY …

    2019-4-30 · Abstract Regional air quality models have been used for scientific investigation of trace species dynamics for over two decades and are now beginning to take a central position in air quality management. In particular, they have been used for studying the transport and fate of atmospheric acids, photochemical oxidants (e.g. ozone), and more recently, aerosols. Such …Regional Similarities and NOx‐Related Increases in ...2018-8-4 · Chemical transport models capture some aspects of the influence of NO x on organic aerosols. Zheng et al. used an updated SOA scheme in the global NCAR (National Center for Atmospheric Research) Community Atmospheric Model version 4 with chemistry (CAM4-chem) with a four-product volatility basis set scheme with NO x-dependent SOA yields and aging …

  • TC

    We tracked detached ice blocks close to glacier fronts to estimate the order of magnitude of motion. Typical values for 2013 to 2016 pre-frontal displacements …Liquid-Liquid Phase Separation of Tau Driven by ...2021-1-22 · Amyloid aggregation of tau protein is implicated in neurodegenerative diseases, yet its facilitating factors are poorly understood. Recently, tau has been shown to undergo liquid liquid phase separation (LLPS) both in vivo and in vitro.LLPS was shown to facilitate tau amyloid aggregation in certain cases, while being independent of aggregation in other cases.

  • Highlights of Quantum Information (DQI) Talks @ APS …

    Here we show that, in a pair of exchange-coupled double-quantum-dot hybrid qubits, it is possible to exploit the large-detuning regime to achieve a sizeable exchange interaction between the qubits while suppressing leakage and dephasing, yielding a high-fidelity controlled phase gate with a gate time less than 1 ns.Publications LFPB - Max Planck Society2013-4-15 · In regime I, the fitted scaling exponents (β ≈ 0.26 and γ ≈ 0.51) are in excellent agreement with the theoretical predictions of β=1/4 and γ=1/2 for laminar VC (Shishkina, Phys. Rev. E., vol. 93, 2016, 051102). However, in regimes II and III, β increases to a value close to 1/3 and γ decreases to a value close to 4/9. ...

  • (PDF) Strain-type Sensor Networks for Structural ...

    2009-9-28 · In our previous work, we have shown that distributed strain-type sensors can be used to measure desired structural entities. A distributed strain-type sensor, whose distribution coincides with any ...An entropy‐based surface velocity method for estuarine ...2014-7-8 · The logarithmic profile performs well in the ebb tide regime, as the barotropic pressure forcing dominates, causing the flow to behave similar to a unidirectional river. Overall, the mean absolute difference between ADP and the variable parameter entropy profiles is 0.063 m/s while the difference for constant parameter entropy profiles is 0.104 ...

  • ACP

    2018-3-1 · These are the pre-onset phase characterized by a rainfall maximum near the coast (before 21 June, phase 1), the post-onset phase during which the rainfall maximum occurred inland (22 June–20 July, phase 2), the wet westerly …Spatio-Temporal Convergence of Maximum Daily Light …The photosynthetic seasonality in tropical forests can also be tracked by the change of fPARchl, suggesting the corresponding (εchlmax) to have less seasonal variation. This spatio-temporal convergence of LUE derived from fPARchl can be used to build simple but robust gross primary production models and to better constrain process-based models.

  • TEODOOR: a distributed geodata infrastructure for ...

    2013-4-11 · The TEODOOR data portal serves as a database node to provide scientists and decision makers with reliable and well-accessible data and data products. Various tools like hierarchical search or Web-GIS functions allow a deeper insight into the different observatories, test sites and sensor networks.Publications LFPB - Max Planck Society2013-4-15 · In regime I, the fitted scaling exponents (β ≈ 0.26 and γ ≈ 0.51) are in excellent agreement with the theoretical predictions of β=1/4 and γ=1/2 for laminar VC (Shishkina, Phys. Rev. E., vol. 93, 2016, 051102). However, in regimes II and III, β increases to a value close to 1/3 and γ decreases to a value close to 4/9. ...

  • Changes in Ozone Chemical Sensitivity in the United States ...

    2021-12-16 · Anthropogenic nitrogen oxide (NOx) and volatile organic compound (VOC) emissions in the United States have declined substantially over the last decade, altering the NOx-VOC chemistry and ozone (O3) production characteristics of many areas. In this work, we use multiple air quality analysis tools to assess how these large reductions in NOx and VOC have …Machine learning and the physical sciences – arXiv Vanity2021-11-30 · Machine learning encompasses a broad range of algorithms and modeling tools used for a vast array of data processing tasks, which has entered most scientific disciplines in recent years. We review in a selective way the recent research on the interface between machine learning and physical sciences. This includes conceptual developments in machine learning …

  • Anthropogenic Sulfur Perturbations on Biogenic Oxidation ...

    2019-3-10 · In order to probe how anthropogenic pollutants can impact the atmospheric oxidation of biogenic emissions, we investigated how sulfur dioxide (SO2) perturbations impact the oxidation of two monoterpenes, α-and β-pinene. We used chemical ionization mass spectrometry to examine changes in both individual molecules and gas-phase bulk properties of oxidation …Photosynthesis from the Protein''s Perspective2007-5-4 · Wang et al. use the absorption spectra of the protein''s 39 tryptophan residues to track the medium''s response to photoexcitation and initial photosynthetic electron transfer. The spectra are essentially identical in the wild type and in the 14 mutants, with electron-transfer times varying from 2 to tens of ps. Therefore, the protein motion that is tracked by the spectra is not affected …

  • (PDF) Isoprene Fluxes from a Tundra Ecosystem

    Normalized isoprene emissions as a function of leaf temperature and light for S. pulchra leaves compared to the G93 algorithm (black curves). The dashed curve …(PDF) Origins and composition of fine atmospheric ...2011-8-1 · (a) Bulk aerosol composition (organics, sulfate, nitrate, ammonium and chloride) as measured by the aerosol mass spectrometer (AMS), indicating the prevalence of the carbonaceous fraction.

  • Earth and space observation at the German Antarctic ...

    In 2009 another site named OHIX was established sharing a common antenna with OHI3. This receiver tracked Giove and Galileo satellites as well and was part of the Cooperative Network for GIOVE Observation (CONGO) network (Montenbruck and others Reference Montenbruck, Hauschild and Hessels 2011). OHIX also contributed GNSS tracking data to the ...Air-Parcel Residence Times Within Forest Canopies ...2017-6-12 · We present a theoretical model, based on a simple model of turbulent diffusion and first-order chemical kinetics, to determine air-parcel residence times and the out-of-canopy export of reactive gases emitted within forest canopies under neutral conditions. Theoretical predictions of the air-parcel residence time are compared to values derived from large-eddy simulation for …

  • Machine learning and the physical sciences – arXiv Vanity

    2021-11-30 · Machine learning encompasses a broad range of algorithms and modeling tools used for a vast array of data processing tasks, which has entered most scientific disciplines in recent years. We review in a selective way the recent research on the interface between machine learning and physical sciences. This includes conceptual developments in machine learning …Liquid-Liquid Phase Separation of Tau Driven by ...2021-1-22 · Amyloid aggregation of tau protein is implicated in neurodegenerative diseases, yet its facilitating factors are poorly understood. Recently, tau has been shown to undergo liquid liquid phase separation (LLPS) both in vivo and in vitro.LLPS was shown to facilitate tau amyloid aggregation in certain cases, while being independent of aggregation in other cases.

  • Bayesian correlation between temperature and blossom …

    The February to April (FMA) thermal regime plays a large role in governing the spring phenophase development of plants in Europe (Chmielewski and Rötzer, 2001;Menzel, 2003; Dose and Menzel, 2006 ...A selected ion flow tube study of the reactions of H3O ...The rate constants increase with pressure at 295 K for both ranges of 1.2–19.2 hPa N2 and 1.3–2.6 hPa He, indicating a falloff kinetic regime. These …

  • Journal of Chemical Theory and Computation | Vol 8, No 11

    2018-8-30 · Journal of Chemical Theory and Computation 2012, 8, 11, 4062-4068 (Article) Publication Date (Web): August 8, 2012. Abstract. Full text. PDF. ABSTRACT. For lanthanides, segmented contracted Gaussian basis sets of double-ζ valence to quadruple-ζ valence quality are presented, with two different polarization sets for each level of quality.The physical oceanography of the transport of floating ...2020-2-17 · Biological interaction is one of the key mechanisms to remove floating plastics from the sea surface and transport them to the water column, deep sea and sea floor (section 5 ), and the removal rate of floating (micro)plastics is an important input parameter for horizontal transportation models (section 6.4 ).

  • Investigating a high ozone episode in a rural mountain ...

    2012-3-1 · Highlights A very high ozone episode occurred in a rural mountain site of Portugal in 2004. Data cross-spectrum analysis in the frequency domain was performed. A numerical modelling approach was also applied. The sea-breeze circulation transported pollutants from the urban and industrialized coast. The mountain breeze and subsidence conditions were also …Lest We Forget The Horrors: A Catalog Of Trump''s Worst ...2020-12-29 · Duterte''s regime had carried out extrajudicial killings of drug users and drug dealers, garnering global condemnation. As of January 2018, Human Rights Watch had counted over 12,000 such murders ''. Two senior officials in …

  • The physical oceanography of the transport of floating ...

    2020-2-17 · Biological interaction is one of the key mechanisms to remove floating plastics from the sea surface and transport them to the water column, deep sea and sea floor (section 5 ), and the removal rate of floating (micro)plastics is an important input parameter for horizontal transportation models (section 6.4 ).TEODOOR: a distributed geodata infrastructure for ...2013-4-11 · Communication between the individual infrastructures and to the TEODOOR portal is accomplished by various OGC Web services (OGC 2012), which supply standards and interfaces for search in and access to spatial data these standards, data can be transferred in an interoperable way between the local infrastructures and TEODOOR and integrated by other …

  • Regional Similarities and NOx‐Related Increases in ...

    2018-8-4 · Chemical transport models capture some aspects of the influence of NO x on organic aerosols. Zheng et al. used an updated SOA scheme in the global NCAR (National Center for Atmospheric Research) Community Atmospheric Model version 4 with chemistry (CAM4-chem) with a four-product volatility basis set scheme with NO x-dependent SOA yields and aging …The physical oceanography of the transport of floating ...2020-2-17 · Biological interaction is one of the key mechanisms to remove floating plastics from the sea surface and transport them to the water column, deep sea and sea floor (section 5 ), and the removal rate of floating (micro)plastics is an important input parameter for horizontal transportation models (section 6.4 ).

  • Forcefield_PTM: Ab Initio Charge and AMBER Forcefield ...

    2013-12-1 · 2.1 Procedure for Derivation of Partial Charges in FF_PTM. Calculations consistent with the AMBER forcefield ff03 were derived following the general procedure of Duan et al. 59 This was completed for 32 post-translationally modified amino acids. The choices for PTMs to be parameterized were primarily based on those found to be most frequently occurring in nature …Earth and space observation at the German Antarctic .. 2009 another site named OHIX was established sharing a common antenna with OHI3. This receiver tracked Giove and Galileo satellites as well and was part of the Cooperative Network for GIOVE Observation (CONGO) network (Montenbruck and others Reference Montenbruck, Hauschild and Hessels 2011). OHIX also contributed GNSS tracking data to the ...

  • An entropy‐based surface velocity method for estuarine ...

    2014-7-8 · The logarithmic profile performs well in the ebb tide regime, as the barotropic pressure forcing dominates, causing the flow to behave similar to a unidirectional river. Overall, the mean absolute difference between ADP and the variable parameter entropy profiles is 0.063 m/s while the difference for constant parameter entropy profiles is 0.104 ...(PDF) Origins and composition of fine atmospheric ...2011-8-1 · (a) Bulk aerosol composition (organics, sulfate, nitrate, ammonium and chloride) as measured by the aerosol mass spectrometer (AMS), indicating the prevalence of the carbonaceous fraction.

  • Liquid-Liquid Phase Separation of Tau Driven by ...

    2021-1-22 · Amyloid aggregation of tau protein is implicated in neurodegenerative diseases, yet its facilitating factors are poorly understood. Recently, tau has been shown to undergo liquid liquid phase separation (LLPS) both in vivo and in vitro.LLPS was shown to facilitate tau amyloid aggregation in certain cases, while being independent of aggregation in other cases.REGIONAL PHOTOCHEMICAL AIR QUALITY …2019-4-30 · Abstract Regional air quality models have been used for scientific investigation of trace species dynamics for over two decades and are now beginning to take a central position in air quality management. In particular, they have been used for studying the transport and fate of atmospheric acids, photochemical oxidants (e.g. ozone), and more recently, aerosols. Such …

  • Anthropogenic Sulfur Perturbations on Biogenic Oxidation ...

    2019-3-10 · In order to probe how anthropogenic pollutants can impact the atmospheric oxidation of biogenic emissions, we investigated how sulfur dioxide (SO2) perturbations impact the oxidation of two monoterpenes, α-and β-pinene. We used chemical ionization mass spectrometry to examine changes in both individual molecules and gas-phase bulk properties of oxidation …An entropy‐based surface velocity method for estuarine ...2014-7-8 · The probabilistic principle of maximum entropy velocity distribution developed by Chiu [] can be fit to match a range of flow profile shapes, including those found in estuarine rivers [Chen and Chui, 2002].The basic formulation of the entropy concept is described here briefly whereas detailed descriptions of the entropy concept applied in hydraulics can be found in …

  • Air-Parcel Residence Times Within Forest Canopies ...

    2017-6-12 · We present a theoretical model, based on a simple model of turbulent diffusion and first-order chemical kinetics, to determine air-parcel residence times and the out-of-canopy export of reactive gases emitted within forest canopies under neutral conditions. Theoretical predictions of the air-parcel residence time are compared to values derived from large-eddy simulation for …Investigating a high ozone episode in a rural mountain ...2012-3-1 · Highlights A very high ozone episode occurred in a rural mountain site of Portugal in 2004. Data cross-spectrum analysis in the frequency domain was performed. A numerical modelling approach was also applied. The sea-breeze circulation transported pollutants from the urban and industrialized coast. The mountain breeze and subsidence conditions were also …

  • Forcefield_PTM: Ab Initio Charge and AMBER Forcefield ...

    2013-12-1 · Next, each system underwent production for 5 ns using a 1 femtosecond time-step at a constant temperature of 300K, using Langevin dynamics. Potential energy, kinetic energy, C α-RMSD to the minimized PDB structures, and backbone ϕ and ψ angles were tracked over the course of each simulation. These metrics represented changes in local ...Earth and space observation at the German Antarctic .. 2009 another site named OHIX was established sharing a common antenna with OHI3. This receiver tracked Giove and Galileo satellites as well and was part of the Cooperative Network for GIOVE Observation (CONGO) network (Montenbruck and others Reference Montenbruck, Hauschild and Hessels 2011). OHIX also contributed GNSS tracking data to the ...

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