Zobrazeno 1 - 10
of 1 151
pro vyhledávání: '"Van Cappellen P"'
Autor:
N. B. Weston, C. Troy, P. J. Kearns, J. L. Bowen, W. Porubsky, C. Hyacinthe, C. Meile, P. Van Cappellen, S. B. Joye
Publikováno v:
Biogeosciences, Vol 21, Pp 4837-4851 (2024)
Atmospheric concentrations of nitrous oxide (N2O), a potent greenhouse gas that is also responsible for significant stratospheric ozone depletion, have increased in response to the intensified use of agricultural fertilizers and other human activitie
Externí odkaz:
https://doaj.org/article/e6ddc697038a4653a3e61adf74f6dd92
Autor:
Eunji Byun, Christoph Müller, Barbara Parisse, Rosario Napoli, Jin-Bo Zhang, Fereidoun Rezanezhad, Philippe Van Cappellen, Gerald Moser, Anne B. Jansen-Willems, Wendy H. Yang, Rieko Urakawa, José Ignacio Arroyo, Ulderico Neri, Ahmed S. Elrys, Pierfrancesco Nardi
Publikováno v:
Scientific Data, Vol 11, Iss 1, Pp 1-10 (2024)
Abstract Rates of nitrogen transformations support quantitative descriptions and predictive understanding of the complex nitrogen cycle, but measuring these rates is expensive and not readily available to researchers. Here, we compiled a dataset of g
Externí odkaz:
https://doaj.org/article/e9f01e4a47bf4a54b3aa5aca523504ba
Autor:
Kutkin, A. M., Oosterloo, T. A., Morganti, R., Offringa, A. R., Adams, E. A. K., Adebahr, B., Dénes, H., Hess, K. M., van der Hulst, J. M., de Blok, W. J. G., Bozkurt, A., van Cappellen, W. A., Gunst, A. W., Holties, H. A., van Leeuwen, J., Loose, G. M., Oostrum, L. C., Vohl, D., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 676, A37 (2023)
We present a new image of a 26.5 square degree region in the Bo\"otes constellation obtained at 1.4 GHz using the Aperture Tile in Focus (Apertif) system on the Westerbork Synthesis Radio Telescope. We use a newly developed processing pipeline which
Externí odkaz:
http://arxiv.org/abs/2306.03710
Autor:
Adams, Elizabeth A. K., Adebahr, B., de Blok, W. J. G., Denes, H., Hess, K. M., van der Hulst, J. M., Kutkin, A., Lucero, D. M., Morganti, R., Moss, V. A., Oosterloo, T. A., Orru, E., Schulz, R., van Amesfoort, A. S., Berger, A., Boersma, O. M., Bouwhuis, M., Brink, R. van den, van Cappellen, W. A., Connor, L., Coolen, A. H. W. M., Damstra, S., van Diepen, G. N. J., Dijkema, T. J., Ebbendorf, N., Grange, Y. G., de Goei, R., Gunst, A. W., Holties, H. A., Hut, B., Ivashina, M. V., Jozsa, G. I. G., Loose, G. M., van Leeuwen, J., Maan, Y., Mancini, M., Mika, A., Mulder, H., Norden, M. J., Offringa, A. R., Oostrum, L. C., Pastor-Marazuela, I., Pisano, D. J., Ponomareva, A. A., Romein, J. W., Ruiter, M, Schoenmakers, A. P., van der Schuur, D., Sluman, J. J., Smits, R., Stuurwold, K. J. C, Verstappen, J., Vilchez, N. P. E, Vohl, D., Wierenga, K. J., Wijnholds, S. J., Woestenburg, E. E. M., Zanting, A. W., Ziemke, J.
Publikováno v:
A&A 667, A38 (2022)
(Abridged) Apertif is a phased-array feed system for WSRT, providing forty instantaneous beams over 300 MHz of bandwidth. A dedicated survey program started on 1 July 2019, with the last observations taken on 28 February 2022. We describe the release
Externí odkaz:
http://arxiv.org/abs/2208.05348
Autor:
Kutkin, A. M., Oosterloo, T. A., Morganti, R., Adams, E. A. K., Mancini, M., Adebahr, B., de Blok, W. J. G., Dénes, H., Hess, K. M., van der Hulst, J. M., Lucero, D. M., Moss, V. A., Berger, A., Brink, R. van den, van Cappellen, W. A., Connor, L., Damstra, S., Loose, G. M., van Leeuwen, J., Maan, Y., Mika, A'., Norden, M. J., Offringa, A. R., Oostrum, L. C., van der Schuur, D., Vohl, D., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 667, A39 (2022)
The first data release of Apertif survey contains 3074 radio continuum images covering a thousand square degrees of the sky. The observations were performed during August 2019 to July 2020. The continuum images were produced at a central frequency 13
Externí odkaz:
http://arxiv.org/abs/2208.05342
Autor:
Mohamad Zandieh, Erin Griffiths, Alexander Waldie, Shuhuan Li, John Honek, Fereidoun Rezanezhad, Philippe Van Cappellen, Juewen Liu
Publikováno v:
Exploration, Vol 4, Iss 3, Pp n/a-n/a (2024)
Abstract In recent years, there has been a surge in annual plastic production, which has contributed to growing environmental challenges, particularly in the form of microplastics. Effective management of plastic and microplastic waste has become a c
Externí odkaz:
https://doaj.org/article/8b01752cba144c18a4f8398b303fb455
Publikováno v:
Environment International, Vol 188, Iss , Pp 108758- (2024)
Mollisols rich in natural organic matter are a significant sink of carbon (C) and selenium (Se). Climate warming and agricultural expansion to the cold Mollisol regions may enhance soil respiration and biogeochemical cycles, posing a growing risk of
Externí odkaz:
https://doaj.org/article/89ab8bc8ef6348c2a822e425f0e3ce98
Autor:
van Leeuwen, Joeri, Kooistra, Eric, Oostrum, Leon, Connor, Liam, Hargreaves, J. E., Maan, Yogesh, Pastor-Marazuela, Inés, Petroff, Emily, van der Schuur, Daniel, Sclocco, Alessio, Straal, Samayra M., Vohl, Dany, Wijnholds, Stefan J., Adams, Elizabeth A. K., Adebahr, Björn, Attema, Jisk, Bassa, Cees, Bast, Jeanette E., Bilous, Anna, de Blok, W. J. G., Boersma, Oliver M., van Cappellen, Wim A., Coolen, Arthur H. W. M., Damstra, Sieds, Dénes, Helga, van Diepen, Ger N. J., Gardenier, David W., Grange, Yan G., Gunst, André W., Hess, Kelley M., Holties, Hanno, van der Hulst, Thijs, Hut, Boudewijn, Kutkin, Alexander, Loose, G. Marcel, Lucero, Danielle M., Mika, Ágnes, Mikhailov, Klim, Morganti, Raffaella, Moss, Vanessa A., Mulder, Henk, Norden, Menno J., Oosterloo, Tom A., Orrú, Emaneula, Paragi, Zsolt, de Reijer, Jan-Pieter R., Schoenmakers, Arno P., Stuurwold, Klaas J. C., ter Veen, Sander, Wang, Yu-Yang, Zanting, Alwin W., Ziemke, Jacob
Publikováno v:
A&A 672, A117 (2023)
Fast Radio Bursts must be powered by uniquely energetic emission mechanisms. This requirement has eliminated a number of possible source types, but several remain. Identifying the physical nature of Fast Radio Burst (FRB) emitters arguably requires g
Externí odkaz:
http://arxiv.org/abs/2205.12362
Autor:
Dénes, H., Hess, K. M., Adams, E. A. K., Kutkin, A., Morganti, R., van der Hulst, J. M., Oosterloo, T. A., Moss, V. A., Adebahr, B., de Blok, W. J. G., Ivashina, M. V., Coolen, A. H. W. M., Damstra, S., Hut, B., Loose, G. M., Lucero, D. M., Maan, Y., Mika, Á., Norden, M. J., Oostrum, L. C., Pisano, D. J., Smits, R., van Cappellen, W. A., Brink, R. van den, van der Schuur, D., van Diepen, G. N. J., van Leeuwen, J., Vohl, D., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 667, A40 (2022)
Context. Phased Array Feeds (PAFs) are multi element receivers in the focal plane of a telescope that make it possible to form simultaneously multiple beams on the sky by combining the complex gains of the individual antenna elements. Recently the We
Externí odkaz:
http://arxiv.org/abs/2205.09662
Autor:
Adebahr, B., Berger, A., Adams, E. A. K., Hess, K. M., de Blok, W. J. G., Dénes, H., Moss, V. A., Schulz, R., van der Hulst, J. M., Connor, L., Damstra, S., Hut, B., Ivashina, M. V., Loose, G. M., Maan, Y., Mika, A., Mulder, H., Norden, M. J., Oostrum, L. C., Orrú, E., Ruiter, M., Smits, R., van Cappellen, W. A., van Leeuwen, J., Vermaas, N. J., Vohl, D., Ziemke, J.
Publikováno v:
A&A 663, A103 (2022)
We analyse five early science datasets from the APERture Tile in Focus (Apertif) phased array feed system to verify the polarisation capabilities of Apertif in view of future larger data releases. We aim to characterise the source population of the p
Externí odkaz:
http://arxiv.org/abs/2203.16925