index.Rmd

--- 
title:  |
  <img src="images/frontcover.jpg" style="top:0px;height:100px;" align="right" />
  Global Soil Nutrient and Nutrient Budgets maps (GSNmap) Phase I
subtitle: "Technical Manual"
author: "Angelini, M.E, Luotto, I., Rodriguez Lado, L.,  Mainka, M., Yigini, Y., Tong, Y."
date: "26-Oct-2022"
site: bookdown::bookdown_site
output: 
  bookdown::pdf_book:
    keep_tex: yes
  bookdown::gitbook:
    config:
      fig_caption: yes
      download: ["pdf"]
  latex_engine: xelatex # Use XeLaTeX for better figure handling
  out.width: '0.9\\textwidth' # Adjust this value as needed
header-includes:
    - \AtBeginDocument{\renewcommand{\chaptername}{Chapter}}
    - \usepackage{titling}
    - \usepackage{natbib}
    - \usepackage{pdfpages}
    - \usepackage{fancyhdr}
    - \usepackage{booktabs}
    - \usepackage{longtable}
    - \usepackage{subfig}
    - \usepackage{array}
    - \usepackage{amsmath}
    - \usepackage{multirow}
    - \usepackage{wrapfig}
    - \usepackage{bookmark}
    - \usepackage[utf8]{inputenc}
    - \usepackage{float}
    - \usepackage{colortbl}
    - \usepackage{pdflscape}
    - \usepackage{tabu}
    - \usepackage{threeparttable}
    - \usepackage{threeparttablex}
    - \usepackage[normalem]{ulem}
    - \usepackage{makecell}
    - \usepackage{xcolor}
    - \DeclareUnicodeCharacter{2212}{\textendash}
    - \usepackage{rotating, graphicx}
    - \usepackage{listings}
documentclass: book
csl: food-and-agriculture-organization-of-the-united-nations.csl
bibliography: "reference-list.bib"
link-citations: yes
classoption: oneside
papersize: b5
fontsize: 10pt
description: "GSNmap - Technical Manual"
always_allow_html: yes
template: null
---


```{r set-options, echo=FALSE, cache=FALSE, warning=FALSE, message=FALSE, eval = FALSE}

options(width = 65 ,scipen=999)


library(kableExtra)


# Cache results
knitr::opts_chunk$set(cache=F,fig.pos = 'H', fig.cap = T,dev = 'jpeg')

```


\frontmatter
\addtocontents{toc}{\protect\hypersetup{hidelinks}}   
\addtocontents{lof}{\protect\hypersetup{hidelinks}}
\addtocontents{lot}{\protect\hypersetup{hidelinks}}
\addtocontents{lot}{\protect\hypersetup{hidelinks}}
\addtocontents{lot}{\protect\hypersetup{hidelinks}}
\tableofcontents
\listoffigures
\listoftables
\nopagebreak[5]


```{r, echo = F, eval = T, fig.cap = ""}
knitr::include_graphics("images/frontcover.jpg")
```

# Licence {-}

The GSNmap Technical Manual is made available under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 IGO licence


[CC BY-NC-SA 3.0 IGO](https://creativecommons.org/licenses/by-nc-sa/3.0/igo/legalcode).




# Abbreviations and acronyms {-}
BD

:   Bulk density

CEC

:   Cation exchange capacity

CRAN

:   Comprehensive R archive network

DSM

:   Digital soil mapping 

GEE

:   Google Earth Engine

GSP

:   Global Soil Partnership

INSII

:   International Network of Soil Information Institutions

ITPS

:   Intergovernmental Technical Panel on Soils

ME

:   Mean error

MAE

:   Mean absolute error

MEC

:   Modelling efficiency coefficient

NDVI

:   Normalized difference in vegetation index

QA/QC

:   Quality assurance/quality check

RMSE

:   Root mean squared error

SOC

:   Soil organic carbon

SOM

:   Soil organic matter



# Contributors and reviewers {-}


**International Network of Soil Information Institutions**\

**GSNmap working group**

**Fourth Intergovernmental Technical Panel on Soils**\
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