Helber C. Freitas

3.4k total citations · 1 hit paper
30 papers, 2.3k citations indexed

About

Helber C. Freitas is a scholar working on Global and Planetary Change, Plant Science and Nature and Landscape Conservation. According to data from OpenAlex, Helber C. Freitas has authored 30 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Global and Planetary Change, 11 papers in Plant Science and 7 papers in Nature and Landscape Conservation. Recurrent topics in Helber C. Freitas's work include Plant Water Relations and Carbon Dynamics (24 papers), Climate variability and models (6 papers) and Soil and Unsaturated Flow (6 papers). Helber C. Freitas is often cited by papers focused on Plant Water Relations and Carbon Dynamics (24 papers), Climate variability and models (6 papers) and Soil and Unsaturated Flow (6 papers). Helber C. Freitas collaborates with scholars based in Brazil, United Kingdom and United States. Helber C. Freitas's co-authors include Humberto Ribeiro da Rocha, Michael L. Goulden, S. D. Miller, Mary Menton, Adeláine Michela e Silva Figueira, Osvaldo Cabral, Steven C. Wofsy, S. R. Saleska, M. A. V. Ligo and Plínio Barbosa de Camargo and has published in prestigious journals such as Science, Journal of Geophysical Research Atmospheres and Journal of Hydrology.

In The Last Decade

Helber C. Freitas

28 papers receiving 2.2k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Carbon in Amazon Forests: Unexpected Seasonal Fluxes and Disturbance-Induced Losses

2003 539 citations S. R. Saleska, S. D. Miller et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Helber C. Freitas Brazil	18	1.9k	593	438	434	396	30	2.3k
Samuli Launiainen Finland	32	1.6k 0.9×	656 1.1×	835 1.9×	283 0.7×	346 0.9×	109	2.5k
Jürgen Knauer Australia	19	1.8k 1.0×	584 1.0×	503 1.1×	292 0.7×	473 1.2×	38	2.2k
Yoshiko Kosugi Japan	28	2.0k 1.0×	736 1.2×	680 1.6×	521 1.2×	754 1.9×	140	2.8k
Bai Yang United States	18	1.9k 1.0×	769 1.3×	701 1.6×	388 0.9×	514 1.3×	27	2.5k
Bert Gielen Belgium	28	1.7k 0.9×	480 0.8×	706 1.6×	505 1.2×	540 1.4×	47	2.2k
Giovanni Manca Italy	21	1.6k 0.8×	679 1.1×	476 1.1×	254 0.6×	362 0.9×	38	2.1k
Thomas Grünwald Germany	20	2.1k 1.1×	462 0.8×	726 1.7×	349 0.8×	248 0.6×	38	2.4k
Chun‐Ta Lai United States	23	1.2k 0.6×	335 0.6×	540 1.2×	252 0.6×	413 1.0×	34	1.6k
Kentaro Takagi Japan	25	1.3k 0.7×	500 0.8×	486 1.1×	409 0.9×	492 1.2×	78	1.9k
Tomomichi Kato Japan	28	1.9k 1.0×	955 1.6×	684 1.6×	443 1.0×	363 0.9×	68	2.8k

Countries citing papers authored by Helber C. Freitas

Since Specialization

Citations

This map shows the geographic impact of Helber C. Freitas's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Helber C. Freitas with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helber C. Freitas more than expected).

Fields of papers citing papers by Helber C. Freitas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Helber C. Freitas. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Helber C. Freitas. The network helps show where Helber C. Freitas may publish in the future.

Co-authorship network of co-authors of Helber C. Freitas

This figure shows the co-authorship network connecting the top 25 collaborators of Helber C. Freitas. A scholar is included among the top collaborators of Helber C. Freitas based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Helber C. Freitas. Helber C. Freitas is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Bender, Fabiani Denise, Santiago Vianna Cuadra, Henrique Boriolo Dias, et al.. (2024). A new perennial forage module coupled with the ECOSMOS terrestrial ecosystem model: Calibration and evaluation for Urochloa (syn. Brachiaria) brizantha. European Journal of Agronomy. 159. 127253–127253. 1 indexed citations

Rocha, Humberto Ribeiro da, et al.. (2024). Interannual Variability of Water and Heat Fluxes in a Woodland Savanna (Cerrado) in Southeastern Brazil: Effects of Severe Drought and Soil Moisture. Atmosphere. 15(6). 668–668. 1 indexed citations

Cabral, Osvaldo, Helber C. Freitas, Santiago Vianna Cuadra, et al.. (2024). Eddy covariance fluxes of greenhouse gasses observed in a renewed pasture in the southeast of Brazil. Agricultural and Forest Meteorology. 356. 110177–110177.

Cuadra, Santiago Vianna, Rubens Augusto Camargo Lamparelli, Osvaldo Cabral, et al.. (2024). Modeling sugarcane development and growth within ECOSMOS biophysical model. European Journal of Agronomy. 154. 127061–127061. 4 indexed citations

Moreira, Demerval Soares, et al.. (2024). Discrepancies between observation and ERA5 reanalysis in the Amazon deforestation context: A case study. Dynamics of Atmospheres and Oceans. 106. 101442–101442. 3 indexed citations

Xiao, Xiangming, et al.. (2023). Improved Modeling of Gross Primary Production and Transpiration of Sugarcane Plantations with Time-Series Landsat and Sentinel-2 Images. Remote Sensing. 16(1). 46–46. 3 indexed citations

Freitas, Helber C., et al.. (2019). EFFECTS OF SEASONAL AIR TEMPERATURES AND LIGHT ON LEAF TRAITS AT ATLANTIC MONTANE FOREST, BRAZILIAN SOUTHEAST. CERNE. 25(3). 263–272. 2 indexed citations

Fauset, Sophie, Helber C. Freitas, David Galbraith, et al.. (2018). Differences in leaf thermoregulation and water use strategies between three co‐occurring Atlantic forest tree species. Plant Cell & Environment. 41(7). 1618–1631. 101 indexed citations

Fauset, Sophie, Manuel Gloor, Marcos Pereira Marinho Aidar, et al.. (2017). Tropical forest light regimes in a human‐modified landscape. Ecosphere. 8(11). e02002–e02002. 39 indexed citations

10.

Cabral, Osvaldo, et al.. (2016). Emissões de CO2 observadas durante a reforma de canavial.. Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT). 1 indexed citations

11.

Cabral, Osvaldo, Humberto Ribeiro da Rocha, J. H. C. Gash, Helber C. Freitas, & M. A. V. Ligo. (2015). Water and energy fluxes from a woodland savanna (cerrado) in southeast Brazil. Journal of Hydrology Regional Studies. 4. 22–40. 34 indexed citations

12.

Cabral, Osvaldo, et al.. (2012). Water use in a sugarcane plantation. GCB Bioenergy. 4(5). 555–565. 43 indexed citations

13.

Rocha, Humberto Ribeiro da, et al.. (2011). Padrões micrometeorológicos da plantação de cana-de-açúcar.. Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT). 1 indexed citations

14.

Cabral, Osvaldo, et al.. (2010). The energy and water balance of a Eucalyptus plantation in southeast Brazil. Journal of Hydrology. 388(3-4). 208–216. 56 indexed citations

15.

Cabral, Osvaldo, J. H. C. Gash, Humberto Ribeiro da Rocha, et al.. (2010). Fluxes of CO2 above a plantation of Eucalyptus in southeast Brazil. Agricultural and Forest Meteorology. 151(1). 49–59. 27 indexed citations

16.

Rocha, Humberto Ribeiro da, A. O. Manzi, Osvaldo Cabral, et al.. (2009). Patterns of water and heat flux across a biome gradient from tropical forest to savanna in Brazil. Journal of Geophysical Research Atmospheres. 114(G1). 225 indexed citations

17.

Sánchez-Ccoyllo, Odón R., Rita Yuri Ynoue, Leila Droprinchinski Martins, et al.. (2008). Vehicular particulate matter emissions in road tunnels in Sao Paulo, Brazil. Environmental Monitoring and Assessment. 149(1-4). 241–249. 86 indexed citations

18.

Rocha, Humberto Ribeiro da, et al.. (2006). Soil moisture dynamics in an eastern Amazonian tropical forest. Hydrological Processes. 20(12). 2477–2489. 101 indexed citations

19.

Miller, S. D., Michael L. Goulden, Mary Menton, et al.. (2004). BIOMETRIC AND MICROMETEOROLOGICAL MEASUREMENTS OF TROPICAL FOREST CARBON BALANCE. Ecological Applications. 14(sp4). 114–126. 175 indexed citations

20.

Álvala, Regina C. S., Ralf Gielow, Humberto Ribeiro da Rocha, et al.. (2002). Intradiurnal and seasonal variability of soil temperature, heat flux, soil moisture content, and thermal properties under forest and pasture in Rondônia. Journal of Geophysical Research Atmospheres. 107(D20). 40 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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